AHT AC-M Operating Instructions

5.3 | Cooling function AHT Cooling Systems GmbH | en
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Display Meaning displays
Interior-temperature
Cooling function active
Defrosting active
Evaporator ventilator active
Day operation (night blind
open/appliance lighting on)
Night operation (night blind
closed/appliance lighting off)
Alarm
5.3 Cooling function
Switch off cooling function for cleaning purposes only.
Switch off cooling
function
Press for at least 1 second.
appears on the display.
Switch on cooling
function
Press for at least 1 second.
The actual temperature and
the symbol
appear on the
display after a few seconds.
5.4 Setpoint
Display setpoint
Display adjusted
setpoint (temperat-
ure)
Press .
Exit setpoint display
Press again or
wait 15 seconds.
Change setpoint
Change setpoint
Press for at least 3
seconds.
Setpoint appears on the
display and the “°C/°F” symbol
flashes.
Increase setpoint
Press .
Decrease setpoint
Press .
Accept new entry
Press or
wait 15 seconds.
5.5 Semi-automatic defrosting
Start semi-auto-
matic defrost
Press for at least 2 seconds.
The symbol
appears on the
display.
Defrost time
– Up to 60 minutes
After semi-automatic defrost, the unit automatically re-
turns to normal operation.
5.6 Appliance lighting
Switch on unit light-
ing
press briefly.
The symbol
appears on the display.
Switch off unit light-
ing
press briefly.
The symbol
appears on
the display.
5.7 Alarm
Display alarm
An error code appears on the display as a flashing in-
dication alternating with the internal temperature.
The symbol
appears on the display.
Error code Meaning (controller for stand-
ard compressor)
Control sensor faulty
Evaporator sensor faulty
High temperature alarm, in-
terior temperature
Low temperature alarm, interior
temperature
Parameter change required
Acknowledge alarm
Error code can NOT be acknowledged.
The error code is displayed alternately with the current
temperature until the fault is rectified.
5.8 Night blind operation
1
2
Fig.3: Night blind operation - Handle (1), Latch (2)
Close the night blind
– Pull the night blind handle downwards to the latch
and attach.
Appliance lighting automatically switches off.
Open the night blind
– Remove the handle from the latch and let go.
The night blind rolls up to its end position, with a final
braking function.
Appliance lighting automatically switches on.
6 Transport and storage
After delivery, check the appliance for transport dam-
age.
In the event of damage, promptly contact the mainten-
ance service (see →Maintenance services).
WARNING
Damage to the refrigerant circuit.
Flammable refrigerant can escape and cause
an explosive gas/air mixture. Fire hazard.

AHT AC-M Specifications

General

Brand	AHT
Model	AC-M
Category	Freezer
Language	English