RESET BOILER - FAULT CODE E155

Set Appliance State:

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure

Mains Power On

Observation:

Press the Service Reset switch for 5 seconds.
Restore Boiler Control defaults (for guidance on boiler reset procedure CLICK HERE).
Has the boiler reset and flow temperature displayed? (see note).

Note:
If after boiler reset the fault code changes from the original to a different fault code, then CLICK HERE.