Set Appliance State:
Mains Power Off
On/Off Switch OFF
Set Multimeter to AC Volts 
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Appliance On/Off control set to On position.
Measure the voltage at the top of fuse F2 and a suitable neutral. Expected voltage should be between 10-26 volts AC.
Measure the voltage at the top of fuse F2 and a suitable neutral. Expected voltage should be between 10-26 volts AC.
Isolate as per TOPs P4
and refit as necessary