Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Gain access to PCB (use Insulation Mat as required)
Observation:
Check whether a water pressure switch is fitted
on the return pipe, located behind the fan.
If a water pressure switch is fitted then check
whether it is wired via X9 or X13 at the PCB.
on the return pipe, located behind the fan.
If a water pressure switch is fitted then check
whether it is wired via X9 or X13 at the PCB.
