Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Appliance primary system water drained
Remove the filter from the flow pipe running from the primary heat exchanger
Remove the filter from the flow pipe running from the primary heat exchanger
Observation:
Inspect the filter.
It should be clear and unrestricted.
Is the filter clear and unrestricted?
It should be clear and unrestricted.
Is the filter clear and unrestricted?
Isolate as per TOPs P4
and refit as necessary