CodeRegistry
Brands
  1. Home
  2. Whirlpool
  3. Washing Machines
  4. SERVICE ERROR 1
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.

SERVICE ERROR 1

SERVICE ERROR 1 - Control detected K1 pilot relay stuck closed

Whirlpool · Washing Machines

What does SERVICE ERROR 1 mean?

This service error indicates the control has detected the K1 pilot relay is stuck in a closed position.

Common Causes

  • Control detected K1 pilot relay stuck closed

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Unplug dishwasher or disconnect power.

  2. 2

    Check all loads on K1 Pilot Relay for shorts.

  3. 3

    Replace control and all shorted components.

Browse all codes in this manual (140)
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 7)Search more codes in this manual