RESISTANCE UNDERFLOOR HEATING THERMOSTAT LINK

Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4

Set Multimeter to Resistance

Remove connector CN52 from the PCB

Measurement:

Measure the resistance between the 2 red
wires on connector CN52.
Expected resistance short circuit (zero resistance).

Link should be fitted here

Note.
On some PCB's the connector may not be labelled and its orientation will differ, however the test points and expected results remain the same.