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Shutting your appliance down
If your appliance is to be shut down for any length of time, switch
it o and disconnect the plug or switch o or unscrew the fuse.
Clean the appliance and leave the door open in order to prevent
unpleasant smells.
Malfunctions
You may be able to rectify the following faults by checking
the possible causes yourself:
• Appliance does not function:
– Is the appliance switched on?
– Is the plug correctly fitted in the mains socket?
– Is the fuse intact?
• Loud running noise:
– Is the appliance set up firmly on the floor?
– Does the appliance cause nearby items of furniture or objects to
vibrate? Please note that noises caused by the refrigerant circuit
cannot be avoided.
• The temperature is not low enough:
– Is the temperature setting correct (see "Setting the temperature")?
– Does the separately installed thermometer show the correct read-
ing?
– Is the ventilation system working properly?
– Is the appliance set up too close to a heat source?
•
appears in the display:
– Reset the real time clock (see "Setting the real time clock").
If none of the above causes ap-
ply and you cannot rectify the
fault yourself, contact the nearest
customer service department
stating the type designation
1,
service number
2and appliance
number
3 as indicated on the
type plate.
Terminating resistor
When connecting several appli-
ances via the RS485 interface, the
terminating resistor must remain
on the last appliance.
Remove the terminating resis-
tors from the appliances in
between.
External alarm
We recommend connecting the appliance
to an external alarm device.
There are various connection options at
the back of the appliance.
The appliance may only be connected
to an external alarm device by trained
personnel.
Floating alarm output
These three contacts can be used to connect the appliance to an
optical or acoustic alarm device.
The connection is designed for 250 V / 8 A AC or 36 V / 8 A DC.
Floating alarm
output
Connection to
RS485 interface
Note
The connectors are secured with
screws. To remove the connectors,
undo the left and right screws.
COM
External power supply unit
250 V AC (alternating current) or
36 V DC (direct current - positive pole)
N.C
Operating light
Connection for a control lamp to indicate
that the appliance is in normal mode.
N.O
Alarm output
Connection for a visual warning light or
an acoustic alarm signal.
Optional temperature
sensor connection