Display Buzzer Description Measure
Unit key
required
3
Synchronisation error:
n Synchronisation error between
control unit and monitoring cir-
cuit.
n No secured function of the
cooling controller.
n Set key switch to “0”.
n Unplug power plug and switch
on again
Ä
Chapter 7.1
“Switching on the unit”
on page 42.
3
3
Connection problem:
n Synchronisation error between
control unit and monitoring cir-
cuit.
n No secured function of the
cooling controller.
n Transfer chilled goods to new
location.
n Contact the service depart-
ment.
-
3
Control error:
n Error during self-test in the
cooling controller.
n The monitoring circuit takes
over temperature control.
n Contact the service depart-
ment.
–
3
Door-open alarm:
n Door is open for more than 60
seconds.
n Close door.
–
3
Battery defective:
n Battery must be replaced.
n The temperature documenta-
tion and alarm in the event of
power failure fail.
n Switch off alarm.
n Inform the service department.
n Replace the battery
Ä
“Service contact”
on page 4.
–
3
Power failure:
n Unit is not cooling.
n Alarm is active.
n The remote warning contact is
triggered.
n Check power supply.
–
3
Temperature alarm (high):
n The upper temperature
warning limit is reached or
exceeded (for example due to
very warm chilled goods or
because the door was open
too long).
n View and check the tempera-
ture warning limit
Ä
Chapter
6.2.2.2 “Displaying and
changing the temperature
warning limits” on page 39.
n If necessary, correct values of
the temperature warning
limits.
n Monitor the temperature pro-
gression.
n If it does not normalise, con-
tact the service department.
n Transfer chilled goods to new
location.
3
Status displays and error messages
Error messages
27.05.2021 Refrigerator/freezer LABEX® series 63
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