Set Appliance State:
DHW Demand
DHW Selector in Maximum (+) position
CH Selector in Minimum (-) position
ON/OFF Switch in ON position
DHW Selector in Maximum (+) position
CH Selector in Minimum (-) position
ON/OFF Switch in ON position
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Does the boiler get to the sparking stage of the
ignition sequence or does the fault code reoccur?
Fault code reoccurs - Continue fault code diagnosis.
Sparking present, fault code does not reoccur - Continue testing appliance through full model.
ignition sequence or does the fault code reoccur?
Fault code reoccurs - Continue fault code diagnosis.
Sparking present, fault code does not reoccur - Continue testing appliance through full model.