Set Appliance State:
Mains Power Off
Gas Off
CH Demand
CH temperature control set to Max
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Ensure the boiler is cool and the user controls are calling for heat.
A few seconds after the pump starts does the fan run?
Note.
1. Turning the mains power off & on will reset the boiler, failure to follow the set appliance state will result in misdiagnosis.
2. Repeat test as required.
A few seconds after the pump starts does the fan run?
Note.
1. Turning the mains power off & on will reset the boiler, failure to follow the set appliance state will result in misdiagnosis.
2. Repeat test as required.
