Set Appliance State:
Mains Power Off
CH Demand
DHW Selector in Minimum (-) position
CH Selector in Maximum (+) position
ON/OFF Switch in ON position
DHW Selector in Minimum (-) position
CH Selector in Maximum (+) position
ON/OFF Switch in ON position
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow boiler to reach max CH temperature (75°C).
Choose from the following:
Boiler goes to overheat lockout (F76 / F20 fault code)
Boiler reaches temperature and shuts down without fault
Different fault code appears
Sparking occurs but boiler does not ignite
Note:
To speed up the heating of the system, reduce the system circuit by shutting off some radiators.
Choose from the following:
Boiler goes to overheat lockout (F76 / F20 fault code)
Boiler reaches temperature and shuts down without fault
Different fault code appears
Sparking occurs but boiler does not ignite
Note:
To speed up the heating of the system, reduce the system circuit by shutting off some radiators.
