Set Appliance State:
Mains Power Off
Observation:
Observe the pressure gauge on the front of the appliance.
The system pressure should be 1 to 1.5 bar (when system is cold)
Is the gauge displaying the correct system pressure?
The system pressure should be 1 to 1.5 bar (when system is cold)
Is the gauge displaying the correct system pressure?
Isolate as per TOPs P4
and refit as necessary