REMEHA Quinta Pro Installation, User And Service Manual page 70

11 Troubleshooting
Error code Description
Five failed burner starts:
No ignition spark:
Ignition spark but no flame:
Flame present, but ionisation has failed or is inadequate:
If VPS switch is present: 5 failed gas leakage checks:
Gas pressure non-existent or too low:
Wiring fault: check the wiring
Incorrect setting of the VPS switch: check whether the VPS switch is set properly
VPS pressure switch not installed or poorly installed: check that the VPS switch is properly installed
Faulty VPS switch: replace VPS switch if necessary
Faulty gas valve: check the gas valve and replace it if necessary
False flame signal:
Ionisation current measured but no flame should be present: check the ionisation and ignition electrode
Ignition transformer faulty: replace the ignition transformer if necessary
Faulty gas valve: check the gas valve and replace it if necessary
The burner remains very hot: O
Gas valve error in SU PCB:
Bad connection: check the wiring
Defective SU PCB: check the SU PCB and replace if necessary
Fan operation error:
Bad connection: check the wiring
Fan defective:
Flow and return reversed:
Bad connection
Sensor not connected or incorrectly connected:
Sensor failure: Replace the sensor if necessary
Water circulation in wrong direction: check the circulation (direction, pump, valves)
5x flame loss:
No ionisation current:
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Check cabling of ignition transformer
Check the ionisation/ignition electrode
Check breakdown to earth
Check the condition of the burner cover
Check the earthing
Defective control SU PCB
Vent the gas supply to remove air
Check that the gas valve is fully opened
Check the gas supply pressure
Check the operation and setting of the gas valve unit
Check that the air supply inlet and flue gas outlet are not blocked
Check the wiring on the gas valve unit
Defective control SU PCB
Check that the gas valve is fully opened
Check the gas supply pressure
Check the ionisation/ignition electrode
Check the earthing
Check the wiring on the ionisation/ignition electrode
check whether the gas tap is properly open
check the gas supply pressure
Check for adequate draw on the chimney connection
Replace the fan if necessary
Check that the sensors are operating correctly
Check that the sensor has been fitted properly
Vent the gas supply to remove air
Check that the gas valve is fully opened
Check the gas supply pressure
Check the operation and setting of the gas valve unit
Check that the air supply inlet and flue gas outlet are not blocked
Check that there is no recirculation of flue gases
/CO too high: adjust O /CO
2 2 2
a
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