8 Troubleshooting
8.1 Error codes
In the event of problems, the control panel displays the symbol and an
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
key.
The symbol continues to be displayed as long as the error is present.
Navigation is possible in all menus.
Error code
Description
Probable causes
Checking / solution
Configuration error
The control system mode is not
compatible with the configuration
of the installer parameters.
Contact the installer.
Flow sensor error.
The heat pump stops
and no control system
modes are available.
Bad connection
Sensor failure
Contact the installer.
Outside temperature
sensor error.
The control system
switches to downgraded
mode with a default out
side temperature of
-20°C.
Bad connection
Sensor failure
Contact the installer.
Domestic hot water sen
sor error.
Production of domestic
hot water is off
Bad connection
Sensor failure
Contact the installer.
Flow rate error
The water pressure is too low
Heating water flow rate too low
Close the isolation valves and check
the water pressure with the pressure
gauge.
Too much air
Completely vent the indoor module
and the installation for optimum run
ning.
Error on the outdoor unit.
The heat pump stops
and manual back-up
forcing is possible in
heating and domestic hot
water mode.
The outdoor unit stayed on, whilst
the indoor module was off.
Switch off the indoor and outdoor
modules for 3 minutes and then
switch them back on again simul
taneously.
Contact the installer.
Heat pump short-cycle
The heat pump set point offset for
domestic hot water production has
not been configured.
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.
8 Troubleshooting
30
AWHP-2 MIV-3
7611973 - v04 - 07032016
