Troubleshooting; Error Codes - DeDietrich AWHP-2 MIV-3 User Manual

8 Troubleshooting

8 Troubleshooting
8.1

Error codes

Error code
30 AWHP-2 MIV-3
Description
Configuration error
Flow sensor error.
The heat pump stops
and no control system
modes are available.
Outside temperature
sensor error.
The control system
switches to downgraded
mode with a default out­
side temperature of
-20°C.
Domestic hot water sen­
sor error.
Production of domestic
hot water is off
Flow rate error
Error on the outdoor unit.
The heat pump stops
and manual back-up
forcing is possible in
heating and domestic hot
water mode.
Heat pump short-cycle
In the event of problems, the control panel displays the symbol
error code.
Caution
Make a note of the code displayed.
The error code is important for the correct and rapid diagnosis of
the type of malfunction and for any technical assistance from your
installer.
To go back to the main display, press the
The symbol continues to be displayed as long as the error is present.
Navigation is possible in all menus.
Probable causes
The control system mode is not
compatible with the configuration
of the installer parameters.
Bad connection
Sensor failure
Bad connection
Sensor failure
Bad connection
Sensor failure
The water pressure is too low
Heating water flow rate too low
Too much air
The outdoor unit stayed on, whilst
the indoor module was off.
The heat pump set point offset for
domestic hot water production has
not been configured.
key.
Checking / solution
Contact the installer.
Contact the installer.
Contact the installer.
Contact the installer.
Close the isolation valves and check
the water pressure with the pressure
gauge.
Completely vent the indoor module
and the installation for optimum run­
ning.
Switch off the indoor and outdoor
modules for 3 minutes and then
switch them back on again simul­
taneously.
Contact the installer.
Set the parameter .
For AWHP 4 MR and AWHP 6
MR-2, set 5°C.
For AWHP 8 MR-2, set 8°C.
For AWHP 11 MR-2 : set 10°C.
For AWHP 11 TR-2: set 10°C.
For AWHP 16 MR-2 : set to 13°C.
For AWHP 16 TR-2: set 13°C.
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