Warm Tech CAC20KW Instructions D'origine page 50

9. TROUBLESHOOTING
PROBLEM
Motor does not
start
E1 displayed on the
screen
Motor runs, but the
heater does not
ignite and locks
out after a short
time
E1 displayed on the
screen
Flames come out
of flue outlet
E1 or E4 displayed on
the screen
Heater stops
during operation
Ambient temperature
displayed on the
screen
Heater stops
during operation
E1 or E4 displayed on
the screen
CAUSE
No power or low voltage
Faulty or damaged power cord
Faulty motor/capacitor
Lock-out of appliance due to previous
overheating
Empty fuel tank, dirty or wrong fuel
Fuel filter clogged
Air leaks in oil line
Burner nozzle clogged
Fuel viscosity increased at low
temperature
Insufficient airflow into combustion
chamber
Compressor pressure too high
The room temperature set on room
thermostat has been reached
Flame failure
Bad combustion
Reduced airflow
Overheating
REMEDY
Check power line and voltage*
Check fuse and replace if necessary*
Check and replace if needed*
Check and if necessary replace*
Detect the cause of overheating
Shut the appliance down
Check air inlet and outlet
Wait some minutes and restart the
appliance
Remove wrong or dirty fuel
Fill the tank with clean Diesel or kerosene
Clean or replace fuel filter*
Check hoses, tighten connections, if
necessary replace*
Clean nozzle blowing compressed air,
replace if necessary*
Mix Diesel with 10-20% kerosene
Check air inlet, fan*, motor*
Check air pressure, adjust if needed*
Normal operation
To start turn the temperature control knob
clockwise on a higher setting
Check and remove the cause(s) of
malfunction
To reset, turn On/Off switch to 0 and then
to I
Call technical service if the problem
persists
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