35
Malfunctions, warning and error messages
Description
Cause
Action
See
Temperature alarm and
"TWB" are displayed
TEMP
TWB Set 190.0
°C
195
.4
°C
The electronic
temperature
limiter (TWB)
permanently
switched off
heating.
Deactivate the alarm by pressing
the confirmation key.
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
page 31
page 2
Temperature alarm and
"TB" are displayed
TEMP
TB
230
.4
°C
The mechanical
temperature
limiter (TB)
permanently
switched off
heating.
Switch off the appliance and
leave to cool down. Contact
customer service and have the
error rectified (e.g. by replacing
the temperature sensor).
page 2
6.2 Malfunctions,
operating problems and appliance errors
Error description
Cause of error
Rectifying errors
See
Displays are dark
External power supply
was interrupted
Check the
power supply
page 20
Miniature fuse, appliance
fuse or power module
faulty
Contact customer
service
page 2
Displays cannot be
activated
Appliance locked by user ID Unlock with user ID
page 51
Appliance is in programme
or timer mode
Wait for end of
programme or timer
Displays suddenly look
different
Appliance is in "wrong"
mode
Change to operating or
menu mode by pressing
the
MENU
key
Error message in timer
display
Error 23
Pt100 Error
Contact
Service
Appliance error
Contact customer
service
page 2