14
OBSERVED FAULTS, CAUSES AND REMEDIES
OBSERVED FAULT
CAUSE
REMEDY
• Check mains (should be 230 V - 1~ - 50 Hz)
• Check proper positioning and functioning of
•
switch
• Check fuse
• Wrong setting of room thermostat or other
•
control (thermostat and clock)
• Check correct setting of heater control.
•
If thermostat, make sure selected temperature
•
is higher than room temperature
• Thermostat or other control defective
• Replace control device
• Electrical motor defective
• Replace electrical motor
• Electrical motor bearings defective
• Replace electrical motor
• Burned out condenser
• Replace condenser
• Check connection of H.T. Ieads to electrodes
•
and transformer
• Check electrodes setting (see scheme
•
“REGULATION OF ELECTRODES”)
• Check electrodes for cleanliness
• Replace H.T. transformer
• Flame control box defective
• Replace control box
• Photocell defective
• Clean or replace photocell
• Check state of motor-pump plastic coupling
• Check fuel line system including fuel filter for
•
possible leaks
• Clean or replace oil nozzle
• Check electrical connection
• Clean or replace solenoid
• 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
• Drain fuel in tank with clean fuel
• Clea or replace oil filter
• Air leaks in fuel circuit
• Check fuel line and filter for possible leaks
• Check pump pressure
• Clean or replace fuel nozzle
• Check pump pressure
• Replace nozzle
• The space heater stops and the lamp flashes
• The Voltage is less than 190V
• Check mains (should be 230 V - 1~ - 50 Hz)
• Heater does not stop
• Solenoid defective
• Replace solenoid coil or complete solenoid
• Motor does not stop
• Ventilation thermostat defective
• Replace fan thermostat
• No electrical current
• Motor does not start, no ignition
• Electric ignitor defective
• Not enough or no fuel at all at burner
• Solenoid defective
• Motor starts, no ignition or cuts out
If heater still not working properly, please revert to nearest authorized dealer.
• Not enough combustion air
• Fuel contaminated or contains water
• Not enough fuel at burner
• Too much fuel at burner
• Motor starts, heater emits smoke
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