RESISTANCE FLOW THERMISTOR

Isolate Mains Power to appliance as per TOPs P4

Set Multimeter to Resistance

Disconnect leads to flow thermistor

Measure the resistance across the flow thermistor.
Is the resistance measured as expected?

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

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

Not all appliances will have a flow thermistor, if there is no thermistor choose the appropriate outcome below