Idiomas disponibles
Idiomas disponibles
en | AHT Cooling Systems GmbH
Acknowledge alarm
Deactivate key lock (access level 1):
Acknowledge error code and acoustic
alarm (device-specific):
Briefly calling up an error code:
3 Setup and installation
Material and material damage in case of incorrect installation.
▪ Set up the unit in a stable operating position (horizontal alignment).
▪ Install the device only on the sliding feet that are already mounted.
▪ Do not pull or push on the cover frame and the glass side panels when setting up.
▪ Observe the minimum distances to the boundary walls and to other devices to avoid hindering
the air circulation.
▪ Do not expose the unit to direct heat radiation at the installation site.
▪ Do not expose the device at the installation site to the direct action of air conditioning and vent-
ilation.
▪ Do not attach any thick insulating materials to the outer walls. Advertisement signs may only be
stuck on as thin film.
Pull or push the unit by the foamed parts.
397482_2_1018
Error code
A90
E20
E21
E43
E60
E70
E75
E80
E92
E93
E95
Err
tst
Time/date fault
Overtemperature alarm
Overtemperature on F4
Undertemperature alarm
Temperature logger alarm
Electronics fault
Overtemperature electronics
Compressor fault
Compressor fault due to E75
Voltage outside tolerance
Frequency outside tolerance
No communication with display
Electronics in test mode
Press
and
5 s. "unL" appears on the display. Level 1 is activated.
Press
briefly.
The current temperature and the symbol
on the display.
The symbol
appears until the fault has been
eliminated.
Press
briefly.
Error code is displayed for approx. 5 s. Then the display
shows the current temperature again.
NOTICE
Setup and installation | 3
Meaning
at the same time and hold for
are shown
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