Blocking - REMEHA Quinta Ace 30 Installation And User Manual

10 Troubleshooting
Code Display text
A02.37 Uncritic device lost
A02.45 Full Can Conn Matrix
A02.46 Full Can Device Adm
A02.48 Funct Gr Conf Fault
A02.49 Failed Init Node
A02.55 Inval or miss SerNR
A02.69 Fair mode active
A02.76 Memory full
A08.02 Shower Time Elapsed
Tab.44 Blocking codes
Code Display text
H00.81 RoomTempMissing
H01.00 Comm Error
H01.05 Max Delta TF-TR
56
Description
Uncritical device has been
disconnected
Full Can Connection Matrix
Full Can Device Administration
Function Group Configuration Fault
Failed Initialising Node
Invalid or missing device serial
number
Fair mode active
The reserved space in memory for
custom parameters value is full. No
more user changed possible
The time reserved for the shower
has elapsed
10.1.2

Blocking

Description
Room Temperature sensor was
expected but not detected
Communication Error occured
Maximum difference between flow
temperature and return temperature
Solution
SCB not found:
Bad connection: check the wiring and connec­
tors
Faulty SCB: Replace SCB
SCB not found:
Carry out an auto-detect
SCB not found:
Carry out an auto-detect
SCB not found:
Carry out an auto-detect
SCB not found:
Carry out an auto-detect
Contact your supplier.
Contact your supplier.
Configuration error:
Reset CN1 and CN2
Faulty CSU: Replace CSU
Replace the CU-GH
Take a shorter shower or adjust parameter
DP357.
Solution
Room temperature sensor not detected:
Room temperature sensor is not connected:
Connect the sensor
Room temperature sensor is not connected
correctly: Connect the sensor correctly
Communication error with the security kernel:
Restart the boiler
Replace the CU-GH
Maximum difference between the flow and return
temperature exceeded:
No flow or insufficient flow:
Check the flow (direction, pump, valves)
Check the water pressure
Check the cleanliness of the heat exchanger
Sensor error:
Check that the sensors are operating correct­
ly
Check that the sensor has been fitted proper­
ly
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