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7.4
Malfunctions and potential solutions
Malfunction :
Possible cause:
Solutions:
Malfunction :
Possible cause:
Solutions:
Malfunction :
Possible cause:
Solutions:
36
The air heater does not start, even when started manually.
•
The plug is not in the wall socket.
•
No mains voltage.
•
Faulty burner relay.
•
Master switch is switched off.
•
Maximum safety has been engaged.
•
Check the mains lead for breaks and/or insert the plug into the wall
socket.
•
Check that there is a current using a voltmeter. If not, check the voltage
circuit.
•
Replace the burner relay.
•
Reset the master switch.
•
Reset the maximum safety system.
The air heater does not respond to the heat demand of the thermostat
and 24 VDC drive. Manual ventilation and heating do work however.
•
No 24VDC drive.
•
Loose wiring.
•
Break in the system wiring.
•
24VDC relay is loose or faulty.
•
Faulty thermostat.
•
Faulty burner relay.
•
Check the 24VDC drive.
•
Repair loose wiring.
•
Check the system and repair the break in the wiring.
•
Replace the 24VDC relay.
•
Replace the thermostat.
•
Replace the burner relay.
The air heater does nothing. It is however connected to the mains
voltage and oil system.
•
Maximum safety has been engaged.
•
It is possible that the capacitor is faulty.
•
It is possible that one or more electrical components are faulty.
•
When restarting the appliance, check that the fan continues to ventilate
for 90 seconds afterwards.
•
Check that the fan is working.
•
If necessary, replace the fan or capacitor.
•
Remove any dirt from the grill in front of the fan.
•
Check that all electrical components are working correctly.
V16 HHO SERIES
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