Troubleshooting; Error Messages; Error Codes - DeDietrich AWHP 4 MR User Manual

8

Troubleshooting

8.1

Error messages

Fig.51 Restarting the appliance
Fig.52 Error code display
Tab.21 List of alerts
Error code Message
W4 WATPRESSURE
WARNING
W5 SYSTEM FLOW RATE
ALERT
Tab.22 List of lock-downs
Code Message Description
B00 PARAME­ Incorrect parameter configu­
TER ERROR ration
B02 TOTAL The BL input on the terminal
LOCK- block in the EHC-02 PCB is
DOWN open
B03 PARTIAL The BL input on the terminal
LOCK- block in the EHC-02 PCB is
DOWN open
B05 WATER Error on the water pressure
PRESSURE sensor
S OPEN
B06 WATER Error on the water pressure
PRESSURE sensor
S CLOSED
B09 CONFIG ER­ The hybrid system has not
ROR been configured
7623755 - v02 - 03072015
1. Press
MW-5000060-2
Note
The previous codes are displayed alternately.
In economy mode, the appliance will not run a domestic hot water
heating cycle after a central heating cycle.
2. Briefly press the
the screen.
MW-5000061-2

8.1.1 Error codes

An error code is a temporary boiler status, resulting from the detection of
an anomaly.
Description
Water pressure in the installation lower than the minimum pressure
Flow rate in the installation lower than the minimum flow rate
Check
Contact the professional responsible for maintenance of the heat pump
Contact the professional responsible for maintenance of the heat pump
Contact the professional responsible for maintenance of the heat pump
Contact the professional responsible for maintenance of the heat pump
Contact the professional responsible for maintenance of the heat pump
Contact the professional responsible for maintenance of the heat pump
for 3 seconds to restart the appliance.
key to display the current operating status on
8 Troubleshooting
MIV-4 45