Malfunctions, Warning And Error Messages; Warning Messages Of The Monitoring Function - Memmert VO Series Operating Manual

Malfunctions, warning and error messages

6. Malfunctions, warning and error messages
WARNING
After removing covers, live parts may be exposed. Touching these
can lead to an electric shock. 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 ser-
vice department (see page 2) or an authorised service point.
In case of enquiries, please always specify the model and appliance number given on the
nameplate (see page 15).

6.1 Warning messages of the monitoring function

If the acoustic alarm has been activated in the menu mode (
indicated by the speaker symbol
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
Temperature alarm and
"TB" are displayed
TEMP
230
.4
TB
44
Cause
Automatic
temperature
monitor (ASF)
was triggered.
°C
°C
The adjustable
temperature
controller
(TWW) has as-
sumed heating
control.
°C
°C
The mechanical
temperature
limiter (TB)
permanently
switched off
heating.
°C
in the alarm display), the alarm is additionally
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 increas-
ing the max value of the tem-
perature monitoring or decreas-
ing the setpoint temperature.
If the alarm continues: Contact
customer service
Switch off the appliance and
leave to cool down. Contact
customer service and have the
error rectified (e.g. by replacing
the temperature sensor).
Sound
, see page 60,
See
Page
39
Page 2
Page
39
Page 2
Page 2
D39374 | Date 08/2018