Set Appliance State:
Mode selector switch to Off/Reset position
Isolate Mains Power to appliance as per TOPs P4
Gain access to PCB (use insulation mat as necessary)
Refit jumper to JP6
Hot water temperature control set to maximum
Ensure there is a demand for preheat - this can be achieved by running the cold water with the gas to the appliance turned off
Gain access to PCB (use insulation mat as necessary)
Refit jumper to JP6
Hot water temperature control set to maximum
Ensure there is a demand for preheat - this can be achieved by running the cold water with the gas to the appliance turned off
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
With no demand does the boiler fire?
Note:
If jumper was never present on JP6 (customer does not use preheat)
then select "boiler fires with no demand".
Note:
If jumper was never present on JP6 (customer does not use preheat)
then select "boiler fires with no demand".
