CodeRegistry
Brands
  1. Home
  2. Electrolux
  3. Washing Machines
  4. Unstable Main Supply
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.

Unstable Main Supply

Alarm Code: Main supply is unstable — Irregular power detected

Electrolux · Washing Machines

What does Unstable Main Supply mean?

The appliance detects an unstable main electrical supply, which can prevent it from operating correctly or starting. The display may show a specific icon to indicate this condition.

Common Causes

  • Fluctuations in household electrical voltage.
  • Temporary power outage or brownout.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Wait until the main power supply becomes stable.

  2. 2

    The appliance should automatically start once stable power is restored.

  3. 3

    If the issue persists, check other appliances in your home for similar power problems to rule out a wider electrical issue.

Browse all codes in this manual (108)
Verified technical data. Last updated: April 2026

Related Faults

3 short sounds3 short sounds — Incorrect selection madeAbnormal, on-going soundsAbnormal, on-going sounds — Potential washer failureAcoustic signal + no indicator on selectionAcoustic signal with no indicator — Selection not possible
Source: Electrolux Washing Machines
Open Manual (Page 30)Search more codes in this manual