Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Disconnect connector X32 at the bottom right of the PCB and make safe
Note:
If no internal timer is fitted select that option below
Note:
If no internal timer is fitted select that option below
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
With the internal timer disconnected does
the boiler now respond to a CH demand?
the boiler now respond to a CH demand?
Isolate as per TOPs P4
and refit as necessary