Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Disconnect the thermistor connector from the pcb (yellow leads)
Measurement:
Measure the resistance across the yellow leads of the disconnected connector.
The resistance varies with temperature and should conform approximately to the table below:
The resistance varies with temperature and should conform approximately to the table below:

Isolate as per TOPs P4
and refit as necessary