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TROUBLESHOOTING
Trouble
Motor does not start, no ignition
Motor starts, no ignition or cuts
out
Motor starts, heater emits smoke
Heater does not stop
.
If heater still not working properly, please revert to nearest authorized dealer.
CAUSE
No electrical current
Wrong setting of room thermostat or
other control
Thermostat or other control defective
Electrical motor defective
Electrical motor bearings defective
Burned out condenser
Electric igniter defective
Flame control box defective
Photocell defective
Not enough or no fuel at all at burner
Solenoid defective
Not enough combustion air
Too much combustion air
Fuel contaminated or contains water
Air leaks in fuel circuit
Not enough fuel at burner
Too much fuel at burner
Solenoid
Indirect Fired Construction Heater
SOLUTION
Check mains (should be 120v- 1~ 60 Hz)
Check proper positioning and functioning of
switch
Check fuse
Check correct setting of heater control. If
thermostat, make sure selected temperature is
higher than room temperature
Replace control device
Replace electrical motor
Replace electrical motor bearings
Replace condenser
Check connection of H.V. leads to electrodes
and transformer
Check electrodes setting (see scheme "GAP OF
ELECTRODES")
Check electrodes for cleanliness
Replace H.V. transformer
Replace control box
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
Check thermostat LI
Clean or replace solenoid
Make sure air inlet and outlet are free
Check setting of combustion air gap
Clean burner disc
Check setting of combustion air gap
Drain fuel in tank replace with clean fuel
Clean oil filter
Check the seals on the ducts and the diesel
filter
Check pump pressure
Clean or replace fuel nozzle
Check pump pressure
Replace nozzle
Replace solenoid coil or complete solenoid
8
Operating Instructions and Owner's Manual
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