Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Disconnect ebus controls from terminals 12 and 13 and make safe
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset boiler as necessary.
Does the boiler now enter standby? Or does the fault reoccur.
Does the boiler now enter standby? Or does the fault reoccur.
Isolate as per TOPs P4
and refit as necessary