thermital 20105840, Руководство по установке и обслуживанию

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55
ENGLISH
TECHNICAL ASSISTANCE SERVICE
CAUSE
FAULT
SOLUTION
Burner dirty.
Insufficient air/fuel flow to burner.
The boiler does not reach its
temperature set point.
Clean the combustion chamber.
Check and adjust the burner.
Air in the circuit.
Pump malfunctioning.
Boiler reaches set
temperature but radiators are
still cold.
Bleed the circuit.
Unseize the pump.
Change the pump.
Check pump electrical
connections.
Pump malfunctioning.
Pump does not start.
Unseize the pump.
Change the pump.
Check pump electrical
connections.
Problem with CH circuit
expansion vessel.
Circuit pressure too high.
Problem with CH circuit safety
valve.
The safety valve keeps
opening.
Check efficiency of expansion
vessel.
Check circuit pressure.
Check pressure reducer.
Check valve setting and efficiency.
Boiler settings.
Check correct functioning.
Check temperature setting.
No water supply.
Boiler temperature settings.
Positioning of sensors
Correct functioning of sensors
Burner locks out.
Check the vent and bleed valves.
Check CH circuit pressure.
Check temperature setting.
Check positioning of sensors.
Check correct functioning of of
sensors and electrical wiring