Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to Resistance Set meter to measure resistance
Remove electrical connections to condensate pump

Measurement:

  • Measure for resistance across exposed terminals of the condensate pump.
    Expected resistance approximately 44 ohms.
  • Measure for resistance across an exposed terminal of the condensate pump & a suitable earth connection.
    Expected resistance greater than 1Mohm.