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REMEDY
A Open gas cock
B Reset by pressing it
C Phase and neutral inverted
D Call technical service
E Repeat ignition
F Wait for the temperature to drop
G Adjust boiler pressure and check circulating pump
H Adjust thermostat setting on desired temperature.
A-B
Call technical service
A Check for possible leaks in the external pipes. Check boiler gas circuit. Call technical service
A Replace not suitable components.
B Call technical service
A Replace not suitable components.
B Adjust boiler thermostat at a higher temperature and check if air intake pipe/flue exhaust connection
is correct.
A Place it on winter position
B Adjust thermostat at a higher temperature or replace it.
C Check if system gate valves and radiators cocks are opened.
D Unblock by the aid of a screwdriver
E Low pressure of the water in the system
A Adjust hot water potentiometer at a higher temperature .