Set Appliance State:
CH Demand
Ensure boiler is cool
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Reset boiler by turning potentiometer fully counter-clockwise to 0 position and then back to original position.
Does the boiler reset and ignite or does it return to fault code without igniting?
Note:
This fault may allow the fan to run and sparking (but not ignition) to occur before it will return to fault code.
Boiler resets and ignites - Investigate possible causes of overheating
Boiler will not reset or resets and returns to fault code without igniting
Boiler resets but a different fault code appears
Does the boiler reset and ignite or does it return to fault code without igniting?
Note:
This fault may allow the fan to run and sparking (but not ignition) to occur before it will return to fault code.
Boiler resets and ignites - Investigate possible causes of overheating
Boiler will not reset or resets and returns to fault code without igniting
Boiler resets but a different fault code appears
