Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove EBUS wiring connections to connector X17 and make safe
Remove wire link between the 24 volt connections at connector X17
Remove wire link between the 24 volt connections at connector X17
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
With the EBUS external controls disconnected and
wire link removed does the CH symbol still flash?
wire link removed does the CH symbol still flash?
Isolate as per TOPs P4
and refit as necessary