Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
CH potentiometer set to minimum
Disconnect the two electrode leads from the electrodes
Position the leads approximately 4mm apart.
CARE! - keep clear of electrodes during this test.
Disconnect the two electrode leads from the electrodes
Position the leads approximately 4mm apart.
CARE! - keep clear of electrodes during this test.
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Allow the fan to run and the boiler to begin its ignition sequence.
After approximately 5 seconds can sparking be seen between the ends of the electrode leads?
After approximately 5 seconds can sparking be seen between the ends of the electrode leads?
Isolate as per TOPs P4
and refit as necessary