FLOW THERMISTOR AND HARNESS RESISTANCE

Isolate Mains Power to appliance as per TOPs P4

Set Multimeter to Resistance

Unplug connector X20 from right hand side of PCB

Measure the resistance between the red and black wires
(5 & 7 down from the top, RHS of connector)

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.