Set Appliance State:
Ensure boiler is cool
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Selector switch to OFF / Reset position.
Selector switch to DHW position.
After resetting the appliance does the fault code reoccur?
Fault code reoccurs
Fault code does not reoccur - Investigate cause of overheat
Selector switch to DHW position.
After resetting the appliance does the fault code reoccur?
Fault code reoccurs
Fault code does not reoccur - Investigate cause of overheat
