Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CASE OFF
Gain access to back boiler unit.
Undo & remove the flue sampling plug and washer, remove the two screws (A) retaining the boiler front panel and lift the panel away, refit flue sample plug.
Undo & remove the flue sampling plug and washer, remove the two screws (A) retaining the boiler front panel and lift the panel away, refit flue sample plug.
Flue sample plug
A
A
To gain access to PCB if required, remove screw B & release 6 x plastic clips & remove perspex cover.
PCB housing is hinged for access to upper boiler
B