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D33142 | Date 03/2017
41
Malfunctions, warning and error messages
6.2
Malfunctions, operating problems and appliance errors
Error description
Cause of errors
Rectifying errors
See
Displays are dark
External power supply
was interrupted
Check the
power supply
page 22
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 57
The appliance is in pro-
gramme, timer or remote
control mode (mode "Write"
or "Write + Alarm")
Wait until the end of
the programme or
timer mode or switch
off the remote control
Displays suddenly look
different
Appliance is in "wrong"
mode
Change to operating
or menu mode by
pressing the
MENU
key
Display T:E-3 in the
temperature display
TEMP
T:E-3
Set 37.0
°C
37
.4
°C
Temperature operating sen-
sor defective. The monitor-
ing sensor takes over the
measurement function.
►
The appliance can
be temporarily
operated
►
Contact customer
service as soon as
possible
page 2
Error message AI E-3 in
the temperature display
TEMP
AI E-3
Set 37.0
°C
37
.4
°C
Temperature monitoring
sensor defective. The oper-
ating sensor takes over the
measurement function.
►
The appliance can
temporarily be
kept in service
►
Contact customer
service as soon as
possible
page 2
Error message E-3 in
the temperature display
TEMP
Set 45.0
°C
E-3
°C
Operating and monitoring
sensor defective
►
Switch off appli-
ance.
►
Remove the cham-
ber load
►
Contact customer
service
page 2