EUAr
What code EUAr means on a Haier washing machines, what causes it, and which part to check first.
● SEVERITY: HIGH
Haier EUAr means: Communication failure between the display board and the power board. The documented cause is: Unplug the washer and reconnect any loose wire harness connections between the display board and the power board. Replace the wire harness if damaged. If the wire harness is okay, replace the display board.
What EUAr means
Communication failure between the display board and the power board
The display shows EUAr and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by applianceaid.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Unplug the washer and reconnect any loose wire harness connections between the display board and the power board |
| Replace the wire harness if damaged |
| If the wire harness is okay, replace the display board |
| If the problem persists, replace the power board |
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.
Find a specialist
TroubleAtlas Pro
TroubleAtlas Certified
What is the TroubleAtlas Score?
Beyond fault codes and specialists, we rate the reliability of appliance brands and models — a transparent score that owes nothing to the manufacturer. The reference to check before you buy or repair.
See all appliance scores →TA YouTube Channel
Frequently asked questions
What does EUAr mean on a Haier?
Communication failure between the display board and the power board The documented cause is: Unplug the washer and reconnect any loose wire harness connections between the display board and the power board. Replace the wire harness if damaged. If the wire harness is okay, replace the display board. If the problem persists, replace the power board
Can I fix EUAr myself?
It depends on the part involved: Unplug the washer and reconnect any loose wire harness connections between the display board and the power board. Replace the wire harness if damaged. If the wire harness is okay, replace the display board. If the problem persists, replace the power board 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 Haier use other codes on this appliance?
Yes: we document 14 other codes for Haier 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.