Set Appliance State:
Mains Power Off
Gas Off
Set Boiler Control Thermostat to MAX position
CH Demand
External controls calling for heat
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Allow fan to run
Does the fan run and remain at a constant high speed or does fan hunt?
Does the fan run and remain at a constant high speed or does fan hunt?
