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Heating  Heating

Brand

Peerless Peerless List all brands

Type:

PureFire PFW-200 view PureFire PFW-200 List all types

Error code:

E21
List all errors


Error code: E21

Cause of error code E21

Phase and neutral of mains supply are reversed.

Solution for error code E21

Verify polarity of incoming wiring. Check boiler ground and harness.


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