Malfunctions, Warning And Error Messages; Warning Messages Of The Monitoring Function; Temperature Monitoring - Memmert UN PLUS Series Operating Instructions Manual

Malfunctions, warning and error messages

6. Malfunctions, warning and error messages
Warning!
After removing covers, live parts may be exposed. You may receive
an electric shock if you touch these parts. Malfunctions requiring
work inside the appliance may only be rectifi ed by electricians.
Observe the separate service manual for this.
Do not try to rectify appliance errors yourself but contact the MEMMERT customer service
department (see page 2) or an authorised service point.
In case of enquiries, please always specify the model and appliance number from the
nameplate (see page 13).

6.1 Warning messages of the monitoring function

If the acoustic alarm has been activated in the
page 49), which is indicated by the speaker symbol
alarm display, the alarm is additionally signalled by an
intermittent acoustic signal. If the confirmation key is pressed,
the acoustic alarm can be temporarily switched off until the next
alarm event occurs.

6.1.1 Temperature monitoring

Description
Temperature alarm and
"ASF" are displayed
TEMP
185
.4
ASF Set 190.0
Temperature alarm and
"TWW" are displayed
TEMP
195
.4
TWW Set 190.0
34
Cause
Automatic
temperature
monitor (ASF)
triggered
°C
°C
The adjustable
undertemperature
/ overtemperature
controller (TWW)
has assumed
heating control.
°C
°C
Signals
menu (see
in the
Action
Check if the door is closed. Close
the door.
Extend the ASF tolerance band
If the alarm continues: Contact
customer service
Increase the difference between
the monitoring and setpoint
temperature – by either
increasing the max value of
the temperature monitoring
or decreasing the setpoint
temperature.
If the alarm continues: Contact
customer service
See
page 32
page 2
page 31
page 2