Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Gain access to PCB (use Insulation Mat as required)
Observation:
Does the boiler have external controls fitted?
This can be checked at the boiler by observing
whether a link is fitted between either of the
"Ls" to the "LR" at the terminal block ST2.
This can be checked at the boiler by observing
whether a link is fitted between either of the
"Ls" to the "LR" at the terminal block ST2.
