Beko · Washing Machine · Water Supply Issue

Beko Washing Machine Error H4

Beko washing machine error H4 usually indicates a water-supply fault. ECL records this code as “Valve Triac Short”. Common causes on this page include Faulty main control board and Solenoid valve short, but the exact cause can vary by model and appliance generation. Keep to the external checks and safety guidance below; do not remove covers or test internal or live components, and arrange professional diagnosis if the code persists.

Quick answer: Valve Triac Short

In simple terms

Beko washing machine code H4 usually means Valve Triac Short. Follow these four steps.

1Understand the code

See what the code usually means and why it may have appeared.

2Try safe checks

Try only the simple checks listed on this page. Do not take the appliance apart.

3Check if it is safe to use

Check the safety section before you keep using the appliance.

4Choose the next step

Use the next-step box to see whether to keep checking, find a part by model or get repair help.

What Beko H4 means

Inlet valve triac short circuit.

Repair help

Need help with H4?

This fault may need proper testing with tools. If you have followed the safety guidance above, ECL can pass the fault details to a checked repairer who covers your area.

Find an ECL Verified repairer

No obligation. Your contact details are only shared after you submit the repair request, and only with a suitable ECL Verified repairer where coverage is available.

Common causes

  • Faulty main control board
  • Solenoid valve short

Safe checks you can make

  1. Hard reset the machine

When to stop and call an engineer

If standard user maintenance does not clear the error, or if you suspect an electrical component failure.

Your model may be different

Error-code meanings can vary by model, market and appliance generation. Confirm Beko H4 against the instruction manual or support information for the exact model number before replacing parts or treating this page as a model-specific diagnosis.

Where this information comes from

Publisher: Error Code Lookup Editorial Team. This page is independent information written in our own words and reviewed with safety boundaries in mind.

Manufacturer information: Beko UK Manuals & Support. Use the exact model number to verify model-specific wording and instructions.

Last reviewed: 2026-05-18

How Error Code Lookup researches and verifies pages · Report a correction or provide model-specific evidence

Frequently asked questions

What does H4 mean on a Beko washing machine?

Inlet valve triac short circuit.

What usually causes Beko error H4?

Common causes include Faulty main control board; Solenoid valve short.

Can I safely fix H4 myself?

This fault may require professional diagnosis or repair. Only basic external safety checks should be attempted.

When should I call a professional for H4?

If standard user maintenance does not clear the error, or if you suspect an electrical component failure.

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