24
Defect
Cause
Remedy
The device does not start
- Incorrect wiring
- No voltage
-The ambient thermostat is not triggered
- The pilot wire receiver switch is not in the
automatic position –Excess heat safety
airstat triggered.
- Check the wiring
- Verify the electrical supply
- Increase the setting point of the ambient
thermostat
- Check the position of the receiver switch
in the unit heater
- Reset the airstat
The burner preventilates
continuously
-Extractor defective
-Air pressure switch disconnected
-Air pressure switch defective
- Replace the extractor
- Reconnect the pressure air pipes
- Replace the air pressure switch
The ignition electrode is
making sparks, the burner
lights, the control box goes
into safety position (burner
defect indicator lamp
lighted up)
-Gas solenoid valve defective
-Control box defective
-Ionisation sensor out of adjustment or
defective
-Air in the piping
-No gas
- Replace it
- Replace it
- Adjust it or replace it
- Bleed the piping
- Check the pressure
The device goes into safety
position during operation
(red light comes on)
-Gas supply interrupted
- Reset by pressing the red push button on
the control box
Cold air when starting
-Incorrect adjustment of internal thermostat - Check the adjustment of the ventilation
thermostat (adjustment 35°C)
The device does not heat
sufficiently
-Incorrect placing of the thermostat
-Incorrect adjustment of the thermostat
-Insufficient gas pressure
-Injectors are unsuitable
- Modify its location
- Check the thermostat
- Check the gas supply pressure
- Check that the injectors are correctly
selected and replace them if necessary.
The device never stops
-The thermostat is set too high or is
defective
- Incorrect wiring
- Lower the setting point or replace it
- Check the wiring
In case of problems, make sure that the conditions required prior to operating the unit heater are present.
If the control box is in the safety position (with the burner defect indicator lamp lighted up), reset it.
CAUTION : All electrical or mechanical operations must be carried out when the electrical supply is
cut off and the gas supply is closed.
11- TROUBLESHOOTING
