Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove left hand side panel
Attach temperature clamp to the flow pipe as close to the flow thermistor as possible
Attach temperature clamp to the flow pipe as close to the flow thermistor as possible
Measurement:
Measure the temperature of the flow pipe.
Is temperature measured 12°C or above?
Is temperature measured 12°C or above?
Isolate as per TOPs P4
and refit as necessary