Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove selector switch control knob
Ensure NO demands
Ensure NO demands
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset the boiler / cancel pump purge as necessary.
Using a small flat blade screwdriver turn the IGN trimmer slightly - this will cause the display to show the fan speed in multiples of 1000 i.e. 5.2 would be 5200rpm.
Check that the value displayed is 3.7 i.e. 3700rpm.
Is the fan speed set correctly?
Note:
Leaving the trimmer for 10 seconds or greater returns the display to normal.
Using a small flat blade screwdriver turn the IGN trimmer slightly - this will cause the display to show the fan speed in multiples of 1000 i.e. 5.2 would be 5200rpm.
Check that the value displayed is 3.7 i.e. 3700rpm.
Is the fan speed set correctly?
Note:
Leaving the trimmer for 10 seconds or greater returns the display to normal.
Isolate as per TOPs P4
and refit as necessary