RESISTANCE DHW THERMISTOR AND HARNESS

Isolate Mains Power to appliance as per TOPs P4

Set Multimeter to Resistance

Remove connector CN9 from the PCB

Measure the resistance between pin 5 (Red) and
pin 6 (Black) on connector CN9.

CN9

Resistances vary with temperature and should conform approximately to the table below:

Note:
Clicking on the resistance table will switch between table and graph view.