Set Appliance State:
Mains Power Off
Turn Hot Water Tap On
DHW temperature selector to minimum setting so preheat does not operate
Ensure boiler is cool
Boiler On/Off switch On
Ensure boiler is cool
Boiler On/Off switch On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset lockout if necessary.
Does the combustion fan start to run?
Does the combustion fan start to run?