REMEHA Quinta Pro 30 Installation And Service Manual page 88

8. Troubleshooting
Shutdown Description
code
Parameter error
5v[0
Maximum flow temperature
5v[1
exceeded
Maximum increase of the flow
temperature has been
5v[2
exceeded
Maximum difference between
the flow and return
5v[7
temperature exceeded
No release signal
5v[8
Phase and neutral of mains
5v[9
supply mixed up
Shutdown input is open
5v[10
Shutdown input active or frost
5v[11
protection active
Communication error with the
5v[13
SCU PCB
Gas pressure too low
5v[15
Configuration fault or SU PCB
(1)
5v[16
not recognised
Configuration fault or default
(1)
5v[17
parameter table incorrect
Configuration fault or PSU
(1)
5v[18
PCB not recognised
Configuration fault or
(1) parameters df-dV
5v[19
unknown
Configuration procedure
(1)
5v[20
active
(1) These lock-outs are not stored in the fault memory
86
Probable causes
Parameter error on the
4
PSU PCB
Non-existent or
4
insufficient circulation
Non-existent or
4
insufficient circulation
Sensor error
4
Non-existent or
4
insufficient circulation
Sensor error
4
External cause
4
Parameter error
4
Bad connection
4
Mains supply incorrectly
4
wired
Floating or 2 phase
4
network
External cause
4
Parameter error
4
Bad connection
4
External cause
4
Parameter error
4
Bad connection
4
Bad connection with BUS
4
SCU PCB not installed in
4
the boiler
Non-existent or
4
insufficient circulation
Incorrect setting of the
4
Gps gas pressure switch
on the SCU PCB
Wrong SU PCB for this
4
boiler
Parameter error on the
4
PCU PCB
Wrong PCU PCB for this
4
boiler
Reset df and dV
4
Active for a short time after
4
switching on the boiler
Quinta Pro 45 - 65 - 90 - 115
Checking / solution
Reset df and dV
4
Restore parameters with Recom
4
Check the circulation (direction, pump,
4
valves)
Reasons for the heat demand
4
Check the circulation (direction, pump,
4
valves)
Check the water pressure
4
Check that the sensors are operating
4
correctly
Check that the sensor has been correctly
4
fitted
Check the cleanliness of the heating body
4
Check the circulation (direction, pump,
4
valves)
Check the water pressure
4
Check that the sensors are operating
4
correctly
Check that the sensor has been correctly
4
fitted
Check the cleanliness of the heating body
4
Suppress the external cause
4
Check the parameters
4
Check the wiring
4
Phase and neutral mixed up
4
Set parameter p43 to 0
4
Suppress the external cause
4
Check the parameters
4
Check the wiring
4
Suppress the external cause
4
Check the parameters
4
Check the wiring
4
Check the wiring
4
Carry out automatic detection
4
Check that the gas valve is correctly opened
4
Check the supply pressure
4
Check whether the Gps gas pressure control
4
system has been correctly fitted
Replace the Gps gas pressure control
4
system if need be
Replace the SU PCB
4
Replace the PCU PCB
4
Replace the PCU PCB
4
No action required
4
080310 - 123157-AA