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Heating  Heating

Brand

Wiliamson Wiliamson List all brands

Type:

FS-120NGFS-120NG
List all types

Error code:

F66
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Error code: F66

Cause of error code F66

Controller ABM08 fault


- Controller ABM08 internal error

Solution for error code F66

Check the ground connection and replace the controller if necessary.


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