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User Instructions Ultra Low Temperature Freezers Model LAB
Side 5 | 14
value in order to get a correspondence
between the reading on the display and the
actual temperature inside the cabinet.
The offset can be adjusted in the following
way:
Unlock the keyboard.
Enter the programming mode by pressing the
SET and arrow down keys for 3 seconds.
Select the parameter “Ot” by pressing arrow
up or down key.
Press the SET key to display its value.
Use arrow up or down to change its value.
The offset can be adjusted to +/- 12 dgr.C
Press SET to store the new value.
Press SET + arrow up or wait 15 seconds
without pressing any key. The new value will
now be stored.
For more detailed information about
programming the Dixell controllers please
consult the attached manuals.
17. Trouble shooting
The appliance is not operating. Please check
the following before calling for service:
Is the electrical plug connected to the mains
(wall socket)? Is the fuse blown?
The appliance is operating continuously.
Please check:
Is ambient temperature too high?
Has the appliance recently been loaded with a
large of warm products?
The temperature inside the appliance is too
high. Please check:
Is the Dixell controller set to the correct
temperature?
Has an excess amount of ice formed inside the
appliance?
If you have checked the above points and the
appliance is still not working as expected,
please contact your local dealer for further
advice.
18. LN
2
or LCO
2
back-up
On the rear side of the cabinet there is a label
and a marking, where it is possible to insert
either a temperature probe or a back-up LN
2
or LCO
2
supply.
The inner and outer skins are pre-drilled.
IMPORTANT NOTE !!!
Do not attempt to drill or in other way
make access to the freezers interior other
places than at the marking, there is a risk
of damaging the freezers tubing system,
resulting in a leakage with inflammable
gasses.
Back
-
up inlet
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