REMEHA Quinta Pro 30 Installation And Service Manual page 86

8. Troubleshooting
Error Description
code
5 burner start-up failures
e[14
False flame signal
e[16
Problem on the gas
e[17
valve SU PCB
Fan fault
e[34
Flow and return reversed
e[35
5x Flame loss
e[36
Communication error
e[37
with the SU PCB
84
Probable causes
Absence of ignition arch
4
Presence of the ignition
4
arc but no flame
formation
Presence of the flame but
4
insufficient ionization (<3
µA)
Ionisation current
4
present when there
should not be a flame
Ignition transformer
4
defective
Gas valve defective
4
The burner remains very
4
hot: CO too high
2
Bad connection
4
Defective SU PCB
4
Bad connection
4
Fan defective
4
Bad connection
4
Sensor fault
4
Sensor not or badly
4
connected
Water circulation
4
direction reversed
No ionization current
4
Bad connection
4
Checking / solution
Check cabling of ignition transformer
4
Check the ionisation/ignition electrode
4
Check breakdown to earth
4
Check the condition of the burner set
4
Check the earthing
4
Defective control SU PCB
4
Degas the gas conduit
4
Check that the gas valve is correctly opened
4
Check the supply pressure
4
Check the operation and setting of the gas valve unit
4
Check that the air inlet and flue gas discharge flues
4
are not blocked
Check the wiring on the gas valve unit
4
Defective control SU PCB
4
Check that the gas valve is correctly opened
4
Check the supply pressure
4
Check the ionisation/ignition electrode
4
Check the earthing
4
Check the wiring on the ionisation/ignition electrode
4
Check the ionisation/ignition electrode
4
Check the gas valve and replace if necessary
4
Set the CO
4
2
Check the wiring
4
Inspect the SU PCB and replace it if need be
4
Check the wiring
4
Replace the fan if need be
4
Check for adequate draw on the chimney connection
4
Replace the sensor if necessary
4
Check the circulation (direction, pump, valves)
4
Check that the sensors are operating correctly
4
Check that the sensor has been correctly fitted
4
Degas the gas conduit
4
Check that the gas valve is correctly opened
4
Check the supply pressure
4
Check the operation and setting of the gas valve unit
4
Check that the air inlet and flue gas discharge flues
4
are not blocked
Check that the flues gases are not being sucked back
4
in
Check whether the SU PCB has been correctly fitted
4
in the connector on PCU PCB
Quinta Pro 45 - 65 - 90 - 115
080310 - 123157-AA