Code
Message
Description
E.02.24
SYSTEM FLOW LOCKING
Heating water flow rate too low
Open a radiator valve
The circuit is clogged
Check that the filters are not obstructed
Clean and flush the installation
Note
After resolving a problem related to an E.xx.xx type code, it is im
perative that you press the
key on the display to restart the
hybrid heat pump.
8.1.2 Error codes on the second circuit PCB (SCB-04 PCB)
An error code corresponds to a temporary status on the heat pump, result
ing from the detection of an anomaly.
The control panel attempts automatic restart of the heat pump until it
switches on.
When one of the codes below is displayed, contact the professional re
sponsible for maintenance of the heat pump.
Tab.30 List of error codes on the SCB-04 PCB
Error code
Message
Description
H.00.00
SENS T FLOW OPEN
Heat pump flow sensor defective
H.00.01
SENS T FLOW CLOSED
No domestic hot water sensor
H.00.16
SENS DHW OPEN
No domestic hot water sensor
H.00.17
SENS DHW CLOSED
Short circuit on the domestic hot water sensor
H.00.32
SENS T OUTSIDE OPEN
No outside sensor
H.00.33
SENS T OUTSIDE CLOSED
Outside sensor missing or defective
H.02.00
RESET IN PROGRESS
Reset under way
H.02.02
WAITING FOR CONFIGURATION
NUMBER
The heat pump is not configured
H.02.03
CONFIGURATION ERROR
The heat pump is not configured
H.02.04
PARAMETER ERROR
Bad configuration of the PCB parameters
H.02.05
PSU
Memory error
H.02.40
FUNCTION UNAVAILABLE
Function not available in the control system
8.1.3 Blocking of the boiler
A (temporary) blocking mode is a boiler status, resulting from an abnormal
state.
The blocking code for the boiler is accessed via the parameter HM042 in
the Information menu.
Note
The boiler automatically returns to operation once the cause of the
blocking has been removed.
When one of the codes below is displayed, contact the professional re
sponsible for maintenance of the boiler.
Tab.31 Blocking codes
Blocking code
Description
Parameter error
Maximum flow temperature exceeded
8 Troubleshooting
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