Set Appliance State:
Isolate Mains Power to appliance as per TOPs P4
Disconnect connector J10 from the PCB
Ensure the flow sensor leads (blue leads) are connected to
the sensor and are in good condition
Disconnect connector J10 from the PCB
Ensure the flow sensor leads (blue leads) are connected to
the sensor and are in good condition
Measurement:
Measure resistance across the connections at the disconnected plug (blue leads).

Isolate as per TOPs P4
and refit as necessary