Error Codes On The Second Circuit Pcb (Scb-04 Pcb); Blocking Of The Boiler - DeDietrich AWHP 4MR–EMC 24/28 MI HYBRIDE User Manual

Code Message
E.02.24 SYSTEM FLOW LOCKING
Tab.30 List of error codes on the SCB-04 PCB
Error code Message
H.00.00 SENS T FLOW OPEN
H.00.01 SENS T FLOW CLOSED
H.00.16 SENS DHW OPEN
H.00.17 SENS DHW CLOSED
H.00.32 SENS T OUTSIDE OPEN
H.00.33 SENS T OUTSIDE CLOSED
H.02.00 RESET IN PROGRESS
H.02.02 WAITING FOR CONFIGURATION
NUMBER
H.02.03 CONFIGURATION ERROR
H.02.04 PARAMETER ERROR
H.02.05 PSU
H.02.40 FUNCTION UNAVAILABLE
Tab.31 Blocking codes
Blocking code
7611444 - v02 - 11122015
Description
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
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.
Description
Heat pump flow sensor defective
No domestic hot water sensor
No domestic hot water sensor
Short circuit on the domestic hot water sensor
No outside sensor
Outside sensor missing or defective
Reset under way
The heat pump is not configured
The heat pump is not configured
Bad configuration of the PCB parameters
Memory error
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.
Description
Parameter error
Maximum flow temperature exceeded
8 Troubleshooting
key on the display to restart the
47