Err1
What code Err1 means on a Haier washing machines, what causes it, and which part to check first.
● SEVERITY: MEDIUM
Haier Err1 means: Door lock fault machine not detecting door is closed and locked. The documented cause is: Door not fully closed. Failed door interlock mechanism. Faulty door wiring. Failed door latch. Power supply issue affecting the lock circuit.
What Err1 means
Door lock fault machine not detecting door is closed and locked
The display shows Err1 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 |
|---|
| Door not fully closed |
| Failed door interlock mechanism |
| Faulty door wiring |
| Failed door latch |
| Power supply issue affecting the lock circuit |
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 Err1 mean on a Haier?
Door lock fault machine not detecting door is closed and locked The documented cause is: Door not fully closed. Failed door interlock mechanism. Faulty door wiring. Failed door latch. Power supply issue affecting the lock circuit.
Can I fix Err1 myself?
It depends on the part involved: Door not fully closed. Failed door interlock mechanism. Faulty door wiring. Failed door latch. Power supply issue affecting the lock circuit. 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.