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
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
–
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-
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