11
OBSERVED FAULTS, POSSIBLE CAUSES AND REMEMEDIES
OBSERVED FAULT
POSSIBLE CAUSE
REMEDY
•
No electrical current
•
Check mains (shouid be 230-240V-1-50Hz)
•
Check proper positioning and functioning of switch
•
Check fuse
•
Motor does not start, no ignition
•
Wrong setting of room thermostat or other
control
•
Check correct setting of heater control. If thermostat,
sure selected temperature is higher than room temperat
•
Thermostat or other control defective
•
Replace control device
•
Electrical motor defective
•
Replace electrical motor
•
Electrical motor bearings defective
•
Replace electrical motor bearings
•
Burned out condenser
•
Replace condenser
•
Electric ignitor defective
•
Check connection of H.T. Ieads to electrodes
transformer
•
Check electrodes setting (see scheme I)
•
Check electrodes for cleanliness
•
Replace H.T. transformer
•
Flame control box defective
•
Replace control box
•
Photocell defective
•
Clean or replace photocell
•
Motor starts, no ignition or cuts out
•
Not enough or no fuel at all at burner
•
Check state of motor-pump plastic coupling
•
Check fuel line system including fuel filter for possible
•
Clean or replace oil nozzle
•
Solenoid defective
•
Check electrical connection
•
Check thermostat LI
•
Clean or replace solenoid
•
Not enough combustion air
•
Make sure air inlet and outlet are free
•
Check setting of combustion air flap
•
Clean burner disc
•
Too much combustion air
•
Check setting of combustion air flap
•
Motor starts, heater emits smoke
•
Fuel contaminated or contains water
•
Drain fuel in tank with clean fuel
•
Clean oil filter
•
Air leaks in fuel circuit
•
Check fuel line and filter for possible leaks
•
Not enough fuel at burner
•
Check pump pressure
•
Clean or replace fuel nozzle
•
Too much fuel at burner
•
Check pump pressure
•
Replace nozzle
•
Heater does not stop
•
Solenoid defective
•
Replace solenoid coil or complete solenoid
•
Motor does not stop
•
Ventilation thermostat defective
•
Replace FA thermostat
If heater still not working properly, please revert to nearest authorized dealer.
ENGLISH
