18
Info
Content of
database
changed
Parts of the program setting have been lost.
This may be due to a prolonged power cut or a
lightning strike.
The unit will continue to run with standard
settings.
Reset alarm.
Set the desired week program.
Contact service if the unit does not run to
your satisfaction/ as before, as some
subprograms may have been lost.
(Subprogram is only available for service).
19
Info
Change filter
The filter monitor has been set at X amount of
days for check-up/change of filter (30, 90,
180, 360 days). The standard setting is 90
days.
Clean/change filter.
Reset alarm.
21
Info
Check date
and time
Is displayed during power cuts.
The settings of the weekly clock must be
checked and adjusted if necessary.
Reset alarm.
22
Info
Error in air
temperature
It is impossible to heat the supply air as
desired (only applicable if you have an after-
heating element). The after-heating element
and the unit cannot increase the temperature
to the desired level.
Set a lower supply air temperature.
Reset alarm.
71
Error de-icing
heat
exchanger
Max. de-icing time exceeded for counterflow
heat exchanger. This may be due to the unit
being exposed to very low temperatures.
If resetting the alarm does not help, contact
service. Register the current operating
temperatures from the “SHOW DATA” menu in
order to ease the service process.
91
Info
Missing
expansion
PCB
Expansion PCB is missing.
Contact service.
92
Info
Backup error
Error when writing or entering the installer’s
settings.
Contact service.
96
Error in
damper test
Damper (open / closed) not fulfilled
Must be unset in the Alarm
24
