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Guardian / Garage door opener / Model guide

Guardian 928V: verify door fit and the current owner manual

A residential jackshaft model whose door geometry and monitor configuration require a trained installer.

United States documentationSources checked 2026-09-11Independent Anderson reference

Match the model before choosing a document

Identifier: 928V. Keep every letter and suffix on your product label when checking applicability.

The 01-26 manual identifies residential sectional doors with torsion assemblies and requires a trained garage-door technician for installation.

Its cover gives a general cable-monitor requirement; printed p4 provides conditional installation exceptions. That qualification explains the broader product-page statement and does not make monitor removal a homeowner repair.

Smart control uses the beam Smart Controller V3 described on p5; do not assume the opener alone provides app control.

Documented specifications

Values apply to the configuration named in each row. Follow the source for its exact scope.
Mount arrangementResidential jackshaftSource: Guardian 928V specifications · Heading
Motor12 V DCSource: Guardian 928V specifications · Features
Door scopeResidential sectional doors with torsion assembliesSource: Guardian 928V owner manual · Cover and printed p4
Listed opening limitsUp to 14 ft high and 18 ft wideOther torsion-bar, drum, track and high-lift restrictions still apply; this is not installation approval.Source: Guardian 928V owner manual · Printed p4, visually reviewed

Official documents & support

These links open the manufacturer’s document or support page. Manuals are hosted by their issuer.

Filter the documents listed below by model or document type. A match is not confirmation of your unit’s revision or installed accessories; read the scope note before using a document.

2 of 2 listed documents shown.

  • owner manual

    Exact 928V cover revision 01-26; printed p4 qualifies the general cover monitor wording with conditional installer exceptions. No device-bypass procedure is reproduced.

    Models: 928VenDocument: 01-26United States
  • service bulletin

    Addresses auto-lock warnings in below-freezing conditions, not the cable-tension monitor requirement. Professional field-modification instructions are not reproduced.

    Models: 928VenDocument: 2025-01-27United States

Parts & related references

Match the exact model and source conditions before choosing a part. Conditional statements and explicit exclusions do not confirm a fit. Open a row for its exact pairing and source.

Shared scope and cautions for the following 9 references
Applies only within this source scope
  • Market: US
  • Model scope: 928V
  • Exact model 928V listing in the replacement-parts book: Cover dated October 1, 2024. Confirm the exact part and installed configuration; a listing does not establish interchangeability with another revision, model or similarly named item.

  • Guardian 3-FDCC deluxe door control console

    The Guardian parts book, cover dated October 1, 2024, identifies 3-FDCC as the deluxe door control console. Compare its model list with the narrower 1-FDCC list. The 415 manual (04-21; GDOMU10A-12) treats both console types as configuration-dependent; retain each manual edition's distinct conditions.

    Read the shared scope and cautions above

    Exact pairing & sources for 3-FDCC · Conditional

    3-FDCC is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From 3-FDCC to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 4; exact model heading 928V; installation accessories item 4 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian B5A928 12 V 5 Ah battery, enclosure and hardware kit

    The Guardian parts book, cover dated October 1, 2024, lists B5A928 as the 12 V, 5 Ah battery, enclosure and hardware kit for 928CC and 928V. This kit description differs from the separately numbered GUDT-359 battery. Keep the full identifier and configuration; the shared ratings do not establish interchangeability.

    Read the shared scope and cautions above

    Exact pairing & sources for B5A928 · Conditional

    B5A928 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From B5A928 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 1; exact model heading 928V; installation accessories item 1 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian D3B remote control

    The Guardian parts book, cover dated October 1, 2024, lists D3B as the remote control for 4280V, 7280V, 928CC and 928V. The first two lists call it accessory item 2; the 928 installation lists use item 3. Preserve the full identifier: D3BCC is a separate reference, with no replacement relationship established here.

    Read the shared scope and cautions above

    Exact pairing & sources for D3B · Conditional

    D3B is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From D3B to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 3; exact model heading 928V; installation accessories item 3 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GU-CTM cable tension monitor

    The Guardian parts book, cover dated October 1, 2024, identifies GU-CTM as the cable tension monitor for 928CC and 928V, installation-accessory item 7. Match the exact identifier and installed configuration; these rows do not supply adjustment settings or a diagnostic procedure.

    Read the shared scope and cautions above

    Exact pairing & sources for GU-CTM · Conditional

    GU-CTM is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GU-CTM to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 7; exact model heading 928V; installation accessories item 7 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GU-LOCK2 door lock

    The Guardian parts book, cover dated October 1, 2024, lists GU-LOCK2 as the door lock for 928CC and 928V, installation-accessory item 8. Preserve the complete identifier: GU-LOCKX is a separately numbered extension cable, and its listing does not establish an interchangeable lock.

    Read the shared scope and cautions above

    Exact pairing & sources for GU-LOCK2 · Conditional

    GU-LOCK2 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GU-LOCK2 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 8; exact model heading 928V; installation accessories item 8 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GU-LOCKX 8 m service-lock extension cable

    The Guardian parts book, cover dated October 1, 2024, identifies GU-LOCKX as an 8 m service-lock extension cable. It is installation-accessory item 12 for 928CC and item 13 for 928V. Keep that source scope and the full identifier; this cable reference does not identify the GU-LOCK2 lock itself.

    Read the shared scope and cautions above

    Exact pairing & sources for GU-LOCKX · Conditional

    GU-LOCKX is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GU-LOCKX to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 13; exact model heading 928V; installation accessories item 13 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUAT-201 photo-eye safety system

    GUAT-201 identifies a photo-eye safety system. The replacement-parts book with a cover dated October 1, 2024 describes an emitter, sensor and brackets under some model headings and uses the shorter description "photo eyes" under others. Read the exact model and manual scope; the kit listings do not assign separate component numbers.

    Read the shared scope and cautions above

    Exact pairing & sources for GUAT-201 · Conditional

    GUAT-201 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUAT-201 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 2; exact model heading 928V; installation accessories item 2 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-354 collar

    The Guardian parts book, cover dated October 1, 2024, identifies GUDT-354 as the collar in the installation-accessory lists for 928CC and 928V. Match the exact identifier, model and installed configuration using the source-specific rows.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-354 · Conditional

    GUDT-354 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-354 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 5; exact model heading 928V; installation accessories item 5 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-355 mounting bracket

    The Guardian parts book, cover dated October 1, 2024, identifies GUDT-355 as the mounting bracket in the installation-accessory lists for 928CC and 928V. Match the full identifier and exact model; these listings do not establish a universal mounting-bracket fit.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-355 · Conditional

    GUDT-355 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-355 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 6; exact model heading 928V; installation accessories item 6 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-358 emergency release cord with knob

    The October 2024 parts book lists GUDT-358 under 928CC and 928V. The installation-accessory tables call it an emergency release cord with knob; the assembly tables shorten that to emergency release cord. These are separate source descriptions of the same exact number. Confirm the installed configuration.

    Exact pairing & sources for GUDT-358 · Conditional

    GUDT-358 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-358 to 928V

    Applies only within this source scope
    • Market: US
    • Model scope: 928V
    • Exact model 928V listing in the replacement-parts book: Cover dated October 1, 2024. Confirm the exact part and installed configuration; a listing does not establish interchangeability with another revision, model or similarly named item.
    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 9; exact model heading 928V; installation accessories item 9 · checked 2026-09-12 · Cover dated October 1, 2024
    • Source 2: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 20; exact model heading 928V; assembly item 20 · checked 2026-09-12 · Cover dated October 1, 2024
Shared scope and cautions for the following 23 references
Applies only within this source scope
  • Market: US
  • Model scope: 928V
  • Exact model 928V listing in the replacement-parts book: Cover dated October 1, 2024. Confirm the exact part and installed configuration; a listing does not establish interchangeability with another revision, model or similarly named item.

  • Guardian GUDT-359 12 V 5 Ah battery

    The Guardian parts book, cover dated October 1, 2024, identifies GUDT-359 as a 12 V, 5 Ah battery under 928CC and 928V. Match the exact identifier, model and configuration; matching voltage and capacity alone do not establish interchangeability with another battery.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-359 · Conditional

    GUDT-359 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-359 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 11; exact model heading 928V; installation accessories item 11 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-360 hardware bag

    The Guardian parts book, cover dated October 1, 2024, identifies GUDT-360 as the hardware bag under 928CC and 928V. Bag contents and quantities are not documented in this reference. Do not substitute the inventories of GUAT-023 or GUDT-023; retain this exact model and identifier scope.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-360 · Conditional

    GUDT-360 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-360 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 10; exact model heading 928V; installation accessories item 10 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-361 motion sensor

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-361 as the motion sensor for 928CC and 928V. The separately numbered GUDT-361A has a different model list. Keep the complete identifier and confirm the source-specific configuration; the shared component name does not establish interchangeability.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-361 · Conditional

    GUDT-361 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-361 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 21; exact model heading 928V; assembly item 21 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-367 light lens

    The Guardian parts book, cover dated October 1, 2024, identifies GUDT-367 as the light lens in the 928CC and 928V assembly tables, item 2. Match the exact identifier and installed model using the conditions; the shared name does not establish fit with other light lenses.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-367 · Conditional

    GUDT-367 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-367 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 2; exact model heading 928V; assembly item 2 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-369 chassis

    The Guardian parts book, cover dated October 1, 2024, identifies GUDT-369 as the chassis in the 928CC and 928V assembly tables, item 4. Keep the GUDT prefix and full number when selecting the reference. Confirm the source revision and exact installed configuration.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-369 · Conditional

    GUDT-369 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-369 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 4; exact model heading 928V; assembly item 4 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-373 motor mounting bracket

    The Guardian parts book, cover dated October 1, 2024, identifies GUDT-373 as the motor mounting bracket in the 928CC and 928V assembly tables, item 5. This is a separately numbered component from the installation-accessory mounting bracket GUDT-355. Match the exact identifier and configuration; no interchangeability is documented.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-373 · Conditional

    GUDT-373 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-373 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 5; exact model heading 928V; assembly item 5 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-374 drive shaft assembly

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-374 as the drive shaft assembly for 928CC and 928V, assembly item 6. Match the full identifier and installed configuration; the listing does not specify every component supplied within the assembly.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-374 · Conditional

    GUDT-374 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-374 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 6; exact model heading 928V; assembly item 6 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-375 motor and clutch assembly

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-375 as the motor and clutch assembly for 928CC and 928V, assembly item 7. The source names a combined assembly. It does not establish that another separately numbered motor is an interchangeable replacement.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-375 · Conditional

    GUDT-375 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-375 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 7; exact model heading 928V; assembly item 7 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-376 transformer

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-376 as the transformer for 928CC and 928V, assembly item 8. Electrical input and output ratings are not documented in this reference. Confirm the exact part and configuration rather than selecting by the component name alone.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-376 · Conditional

    GUDT-376 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-376 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 8; exact model heading 928V; assembly item 8 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-377 LED lamp plate

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-377 as the LED lamp plate for 928CC and 928V, assembly item 9. The LED driver board has the separate identifier GUDT-383. Preserve each component identity and the exact installed configuration.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-377 · Conditional

    GUDT-377 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-377 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 9; exact model heading 928V; assembly item 9 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-379 limit encoder

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-379 as the limit encoder for 928CC and 928V, assembly item 11. Match the complete identifier, model and configuration; this listing does not document interchangeability with other encoder references.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-379 · Conditional

    GUDT-379 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-379 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 11; exact model heading 928V; assembly item 11 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-381 button membrane

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-381 as the button membrane for 928CC and 928V, assembly item 12. Match the exact number and source-specific configuration; the membrane listing does not identify a complete control board.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-381 · Conditional

    GUDT-381 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-381 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 12; exact model heading 928V; assembly item 12 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-382 battery backup connector and terminal

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-382 as the battery backup connector and terminal for 928CC and 928V, assembly item 13. This identifies the connector and terminal, rather than the separately numbered GUDT-359 battery. Confirm the exact installed configuration.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-382 · Conditional

    GUDT-382 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-382 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 13; exact model heading 928V; assembly item 13 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-383 LED driver board

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-383 as the LED driver board for 928CC and 928V, assembly item 14. The LED lamp plate has the separate identifier GUDT-377. These component descriptions do not establish that one number replaces the other.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-383 · Conditional

    GUDT-383 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-383 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 14; exact model heading 928V; assembly item 14 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-384 drive sprocket

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-384 as the drive sprocket for 928CC and 928V, assembly item 15. Tooth count and dimensions are not documented in this reference. Match the full identifier and installed configuration.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-384 · Conditional

    GUDT-384 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-384 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 15; exact model heading 928V; assembly item 15 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-385 drive chain

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-385 as the drive chain for 928CC and 928V, assembly item 16. Chain length and pitch are not documented in this reference. Match the complete identifier and installed configuration.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-385 · Conditional

    GUDT-385 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-385 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 16; exact model heading 928V; assembly item 16 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-386 C-clip

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-386 as the C-clip for 928CC and 928V, assembly item 17. Clip dimensions are not documented in this reference. Match the complete identifier and installed configuration.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-386 · Conditional

    GUDT-386 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-386 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 17; exact model heading 928V; assembly item 17 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-387 bushings

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-387 as the bushings for 928CC and 928V, assembly item 18. The source specifies two bushings at that position; this is not a verified sales-pack quantity. Match the exact part and configuration.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-387 · Conditional

    GUDT-387 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-387 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 18; exact model heading 928V; assembly item 18 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-388 power cord

    The Guardian parts book, cover dated October 1, 2024, lists GUDT-388 as the power cord for 928CC and 928V, assembly item 19. Cord length and plug configuration are not documented in this reference. Confirm the complete part number and installed configuration.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-388 · Conditional

    GUDT-388 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-388 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 19; exact model heading 928V; assembly item 19 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-397

    GUDT-397 is identified in the book as chassis cover. Its direct model listings belong to the cover dated October 1, 2024 source and require exact configuration confirmation.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-397 · Conditional

    GUDT-397 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-397 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 3; exact model heading 928V; assembly item 3 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-398

    GUDT-398 is identified in the book as control panel cover. Its direct model listings belong to the cover dated October 1, 2024 source and require exact configuration confirmation.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-398 · Conditional

    GUDT-398 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-398 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 1; exact model heading 928V; assembly item 1 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian GUDT-400

    GUDT-400 is identified in the book as receiver and logic board. Its direct model listings belong to the cover dated October 1, 2024 source and require exact configuration confirmation.

    Read the shared scope and cautions above

    Exact pairing & sources for GUDT-400 · Conditional

    GUDT-400 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From GUDT-400 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image55.png, row 10; exact model heading 928V; assembly item 10 · checked 2026-09-12 · Cover dated October 1, 2024

  • Guardian V3 beam Smart Controller

    V3 identifies the beam Smart Controller. The 7160V and 7280V product pages require a separate controller paired with their Smart Port; the 928V parts-book listing has its own source scope. Check the exact model row before selecting it.

    Read the shared scope and cautions above

    Exact pairing & sources for V3 · Conditional

    V3 is listed directly under model 928V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

    From V3 to 928V

    • Source 1: GuardianGuardian replacement-parts book, cover dated October 1, 2024 · DOCX embedded table word/media/image54.png, row 12; exact model heading 928V; installation accessories item 12 · checked 2026-09-12 · Cover dated October 1, 2024

Before applying these details

  • Do not remove, disable or alter safety devices based on this summary; exact installation configuration belongs to a trained technician.
  • The cold-weather auto-lock bulletin is a separate service issue, not cable-monitor configuration guidance.
  • The manual does not state complete production-date or hardware-change boundaries for older units.

Sources & scope

  1. Guardian 928V specificationsGuardian Access & Door Hardware · checked 2026-09-11
  2. Guardian 928V owner manualGuardian Access & Door Hardware · checked 2026-09-11 · 01-26
  3. Guardian 928V service bulletin: below-freezing weather applicationGuardian Access & Door Hardware · checked 2026-09-11 · 2025-01-27

Anderson prepared this independent reference from the listed sources. It is not the manufacturer’s official support site, an installation inspection or a product test. Current stock, parts availability and warranty entitlement are not established by a listing.

Describe the symptom

Browse the troubleshooting guide

Troubleshooting guides explain observations; they do not identify a failed part from a model number.

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Garage Door Opener Repair: what an inspection or installation involves →

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Selected service: Opener repair. You can change this. Reason: Equipment: Guardian 928V: verify door fit and the current owner manual.

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G5.0★★★★★9 reviews
6 written Google reviews

Mama Bear

3 weeks ago

G
★★★★★
The service was fantastic- courteous, knowledgeable and honest.
Excerpt from Google review

Yehuda Robinov

a month ago

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★★★★★
Very very professional guys good jobs good service

adam ricker

3 months ago

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★★★★★
Great worker

David Avitan

3 months ago

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★★★★★
They replaced three garage door motors for me, and the service was excellent from start to finish.
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Mary larson

4 months ago

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★★★★★
Very good service and very polite

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4 months ago

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★★★★★
Very good work, polite and flexible in scheduling appointments.

Reviews from Google. Rating and relative dates checked October 1, 2026. This is a dated snapshot, not a live feed.

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