H4
What code H4 means on a Beko washing machines, what causes it, and which part to check first.
● SEVERITY: MEDIUM
Beko H4 means: Inlet valve triac short circuit. The documented cause is: Triac controlling the water inlet valve has failed, causing the valve to remain open or to fail diagnostic checks.
What H4 means
Inlet valve triac short circuit
The display shows H4 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by whitegoodshelp.co.uk
| DOCUMENTED CAUSE OR CHECK |
|---|
| Triac controlling the water inlet valve has failed, causing the valve to remain open or to fail diagnostic checks |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. Water and mains electricity sit centimetres apart inside a washing machine. If the drum still holds water, drain it from the filter first — it can be scalding.
What to check, in order
From the quickest check to the one that needs a technician.
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Frequently asked questions
What does H4 mean on a Beko?
Inlet valve triac short circuit The documented cause is: Triac controlling the water inlet valve has failed, causing the valve to remain open or to fail diagnostic checks.
Can I fix H4 myself?
It depends on the part involved: Triac controlling the water inlet valve has failed, causing the valve to remain open or to fail diagnostic checks. Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Beko use other codes on this appliance?
Yes: we document 12 other codes for Beko on this washing machines. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.