Set Appliance State:
Isolate Mains Power to appliance as per TOPs P4
Remove the main control box cover to expose the PCBs
Disconnect the fan speed control plug from the fan control PCB - this is the smallest of the plug connectors on the fan board and is nearest to you as you look at the board with the control panel down
Attach a pressure gauge to the outlet pressure test point on the gas valve
Remove the main control box cover to expose the PCBs
Disconnect the fan speed control plug from the fan control PCB - this is the smallest of the plug connectors on the fan board and is nearest to you as you look at the board with the control panel down
Attach a pressure gauge to the outlet pressure test point on the gas valve
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Does the fan start to run at high speed and the gauge show a pressure of approximately 12 mb?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary