DeDietrich EASYLIFE CFU 36 F30, User Manual

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Tab.44 List of error codes
Error code Message Description
H00.00 TFlow Open Flow temperature sensor is either removed or measures a temperature below
range
H00.01 TFlow Closed Flow temperature sensor is either shorted or measures a temperature above
range
H00.06 TReturn Missing Return temperature sensor was expected but not detected
H00.16 DHW sensor Open Domestic Hot Water tank temperature sensor is either removed or measures a
temperature below range
H00.17 DHW sensor Closed Domestic Hot Water tank temperature sensor is either shorted or measures a
temperature above range
H00.32 TOutside Open Outside temperature sensor is either removed or measures a temperature
below range
H00.33 TOutside Closed Outside temperature sensor is either shorted or measures a temperature
above range
H00.79 TSwimming Pool Open Swimming Pool Flow temperature sensor is either removed or measures a
temperature below range
H00.80 TSwimmingPool Closed Swimming Pool Flow temperature sensor is either shorted or measures a
temperature above range
H01.03 Flame Loss Warning Warning off uninteded flame loss detection
H02.00 Reset In Progress Reset In Progress
H02.02 Wait Config Number Waiting For Configuration Number
H02.03 Conf Error Configuration Error
H02.04 Parameter Error Parameter Error:
H02.05 CSU CU mismatch CSU does not match CU type
H02.09 Partial block Partial blocking of the device recognized
H02.10 Full Block Full blocking of the device recognized
H02.16 Int CSU Timeout Internal CSU Timeout
H02.25 ACI error ACI error
H02.36 Funct device lost Functional device has been disconnected
H02.37 Uncritic device lost Uncritical device has been disconnected
H02.40 Function unavailable Function unavailable
H02.48 Funct Gr Conf Fault Function Group Configuration Fault
H02.60 Unsupported function The zone doesn't support the selected function
H07.01 Burner fault Burner fault has occured
8.3 Error codes
If an error code is still present after several automatic start-up attempts, the boiler switches to fault mode.
The boiler will only resume normal operation once the causes of the lock-out have been eliminated by the installer.
As a result of:
a manual reset,
a reset by a maintenance message.
When one of the codes below is displayed, contact the professional responsible for maintenance of the boiler.
Tab.45 List of fault codes
Error code Message Description
E00.00 TFlow Open Flow temperature sensor is either removed or measures a temperature below
range
E00.01 TFlow Closed Flow temperature sensor is either shorted or measures a temperature above
range
E01.04 5x Flame Loss Error 5x Error of unintended Flame Loss occurance: occurs after 3 H01.03 faults in
the same heating request
E01.12 Return Higher Flow Return tempearture has a higher temperature value than the flow temperature
8 Troubleshooting
7740570 - v04 - 03112022 CFU 31