DE DIETRICH ALEZIO AWHP MIV-II - Manual (Page 25)

6 Troubleshooting
6.1 Error messages
In the event of problems, the control panel displays the symbol a and
an error code.
WARNING
In this instance, note the error code and call the fitter.
The fault code is important for correct and fast tracing of
the nature of the fault and for obtaining support from your
supplier.
To go back to the main display, press the ® key as many times as
necessary. The symbol a continues to be displayed as long as the
error is present.
You can browse in all menus.
Display
error codes Description Probable causes Checking / solution
err Configuration error
The control system mode is not compatible with the
configuration of the installer parameters.
Contact the fitter.
e[1 flow sensor failure
4
Sensor defective
4 Sensor not or badly connected
Contact the fitter.
e[2
Outside temperature
sensor fault
4
Sensor defective
4 Sensor not or badly connected
Note: The heat pump is based on an outside
temperature of -20°C and only the back-ups are
used.
Contact the fitter.
e[3
Domestic hot water sensor
fault
4
Sensor defective
4
Sensor not or badly connected
Contact the fitter.
e[4 Flow rate fault
The water level and/or pressure are too low Check the water pressure in
the installation (Pressure
gauge)
Too much air Completely vent the indoor
module and the installation for
optimum functioning.
e[5
Fault on the outdoor
module
Fault on the outdoor module Contact the fitter.
M002267-B
AWHP MIV-II 6. Troubleshooting
23/04/2013 - 300023321-001-03 24