CodeRegistry
Brands
  1. Home
  2. Whirlpool
  3. Washing Machines
  4. DIAGNOSTIC LED OFF
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

DIAGNOSTIC LED OFF

Main Control Diagnostic LED OFF — Control Malfunction

Whirlpool · Washing Machines

What does DIAGNOSTIC LED OFF mean?

The diagnostic LED on the main control board is off, indicating that the control is not detecting correct incoming line voltage or the internal processor is not functioning.

Common Causes

  • Main control malfunction.
  • No power at the wall outlet.
  • Blown household fuse or tripped circuit breaker.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check if the washer is securely plugged into a functioning wall outlet.

  2. 2

    Verify if a household fuse has blown or a circuit breaker has tripped. Reset the breaker or replace the fuse if necessary.

  3. 3

    Ensure a time-delay fuse is used if your household wiring requires it for the appliance.

Browse all codes in this manual (218)
Verified technical data. Last updated: April 2026

Related Faults

1-2-FlashesStart/Resume Key LED Flashes 3 Times — Won't start, door not opened between cycles10-110-1 Error Code — Detergent dispenser electrical problem10-3Error 10-3 — Fan problem detected
Source: Whirlpool Washing Machines
Open Manual (Page 2)Search more codes in this manual