Isolate Mains Power to appliance as per TOPs P4
Ensure appliance is switched off.
Ensure appliance is switched off.
Observation:
Check that the Air Pressure Switch Tubes and adaptor connections to flue ducting are free and clear from blockages.
Additionally check that the Red Tube is connected to the +ve and the White Tube is connected to the -ve tappings on the Air Pressure Switch.
NOTE:
Early models may only have one air pressure switch tube this should be connected to the positive tapping on the pressure switch.
Additionally check that the Red Tube is connected to the +ve and the White Tube is connected to the -ve tappings on the Air Pressure Switch.
NOTE:
Early models may only have one air pressure switch tube this should be connected to the positive tapping on the pressure switch.