AHT Cooling Systems GmbH | en-US
Remove condensation water via drain.
j) Place a tray underneath the drain.
k) Remove condensation water plug.
l) Allow the condensation water to drain.
m)Close the drain again with the condensation water
plug.
Fig. 16: Drain with condensation water plug (1)
n) Clean the surfaces inside.
o) If necessary, fold up the air-flow channel and care-
fully clean the surfaces underneath with a damp
cloth.
Fig. 17: Air-flow channel
p) Dry all cleaned parts and surfaces.
q) Reinstall removed accessories properly.
r) Install the lid properly [see } Chapter 8] and close
it completely.
s) Switch on cooling function [see } Chapter 5]
t) Clean the floor in front of the device.
NOTICE
Property damage due to incorrect use.
§ Only add goods to the appliance once the speci-
fied temperature for the product has been
reached.
u) Check the temperature on the display screen
[see } Chapter 5.1].
11.3
Maintenance, service, and
repairs
Responsibility
– Qualified staff
Only qualified staff may carry out maintenance, ser-
vice, and repair work, including the following functional
test.
Unit does not require regular maintenance.
In the event of questions relating to maintenance, con-
tact the maintenance service [see } Chapter 11.3.2].
440195_1_0521
1
1
WARNING
Work on the electrical system and re-
frigerant circuit.
Contact with live parts may cause electric
shock. Flammable refrigerant can escape and
cause an explosive gas/air mixture. Risk of
fire due to sparks or overloading.
§ Only qualified staff may carry out work on
the electrical system and refrigerant cir-
cuit.
§ Observe the electrical safety rules before
starting the work.
1. Disconnect the appliance.
2. Secure the appliance against restarting.
§ Observe the specific safety instructions
[see } Chapter 2.5.2]
§ During repairs, a competent person with
knowledge of local conditions must be
available as contact for the qualified staff.
§ Only qualified staff may restart the appli-
ance and perform functional tests.
CAUTION
Sharp edges, rotating parts. Hot sur-
faces.
Risk of injury to the hands and body. Risk of
burns in the event of skin contact.
§ Only qualified staff may carry out mainte-
nance, service, and repairs on the appli-
ance.
§ Do not touch hot surfaces until they have
cooled down, in particular compressor, ad-
ditional heater.
§ Wear protective gloves.
11.3.1 What to do if...
All appliance are thoroughly tested for performance
and safety in the AHT testing center.
a) Immediately contact the maintenance service
[see } Chapter 11.3.2] in the event of:
– a malfunction [see } Chapter 10.3]
– loud noises or vibrations
– failure of the control and display elements
[see } Chapter 5].
b) Provide the following information:
– Appliance type
– 14-digit serial number of the appliance
– See rating plate [see } Chapter 3.2.1]
– additional sticker on the unit
Fig. 18: Example of 14-digit serial number
Maintenance | 11
49 / 104