E04 Outlet water temperature sensor failure

  • 产品详情

Fault action

1 Display fault

2 Stop all outputs except water pump


Fault handling

1 Are the A3 plug and wiring reliable?

2 Check or replace the A3 temperature sensor

3 Check or replace the control main board


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Previous: E03 Fin temperature sensor failure
Next: E05 Water tank temperature is too high
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