Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Gain access to PCB (use Insulation Mat as required)
Disconnect external controls from connector CN5 & make safe
Link out connector CN5 with a wire link
Disconnect external controls from connector CN5 & make safe
Link out connector CN5 with a wire link
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Cancel purge cycle & if required, reset boiler.
With external controls linked out, does the boiler now respond to a CH demand?
With external controls linked out, does the boiler now respond to a CH demand?
Isolate as per TOPs P4
and refit as necessary