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Heating  Heating

Brand

Peerless Peerless List all brands

Type:

Combi 160 view Combi 160 List all types

Error code:

E21
List all errors


Error code: E21

Cause of error code E21

Phase and neutral inverted. 

Solution for error code E21

Invert phase and neutral. If phase and neutral are correctly wired, replace the power and control board. 


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