REMEHA HMI Gas 610 ECO PRO Installation, User And Service Manual page 24

6. Troubleshooting
Shutdown Description
code
The maximum temperature
increase speed tolerated in
5v[4
the exchanger has been
exceeded
Maximum difference
5v[5
between the flow and return
5v[6
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
The water pressure is too low
5v[14
Gas pressure too low
5v[15
Configuration fault or SU
(1)
5v[16
PCB 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
Communication error with the
5v[21
SU PCB
(1) These lock-outs are not stored in the fault memory
23
Probable causes
Non-existent or insufficient
4
circulation
Non-existent or insufficient
4
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
The water pressure is too
4
low
Incorrect adjustment of
4
water pressure parameter
28
Water leakage
4
Non-existent or insufficient
4
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
Parameter error
4
Active for a short time after
4
switching on the boiler
Bad connection
4
HMI Gas 310/610 ECO PRO
Checking / solution
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 the cleanliness of the heat
4
exchanger
Check that the sensors are operating
4
correctly
Check that the sensor has been correctly
4
fitted
Suppress the external cause
4
Check the parameters
4
Check the wiring
4
Invert phase and neutral
4
Set parameter p34 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::
Water pressure in the installation
4
Setting of hydraulic pressure sensor
4
Setting parameter 28
4
Check that the gas valve is fully opened
4
Check the supply pressure
4
Check whether the Gps gas pressure
4
control 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
Reset df and dV
4
No action required
4
Check whether the SU PCB has been
4
correctly fitted in the connector on PCU
PCB
051112 - 125482-03