66
Anom-
aly
Type of
anomaly
Description
Possible causes
Actions
rtc1
Warning
HACCP
will not
function
The communication
between the RTC and
the microcontroller is
blocked
Communication impossible with internal clock.
• Call service
SbbU
Stops
boiler gas
Boiler gas fan speed
issue
• Burner blower motor
overload due to dirt or
oxidation;
• Other electrical/
mechanical issue.
Burner fan does not reach the desired speed.
Call Service.
SbCd
Stops
cycle
Cavity lower gas
burner blower speed
issue
• Burner blower motor
overload due to dirt or
oxidation;
• Other electrical/
mechanical issue.
Burner fan does not reach desired speed.
• Call service
SbCU
Stops
cycle/
convection
Cavity upper gas
burner blower speed
issue
• Burner blower motor
overload due to dirt or
oxidation;
• Other electrical/
mechanical issue.
Burner fan does not reach desired speed.
Ovens with boiler can cook in 100
℃
steam
mode. To restore full oven functionality call
Service.
SCbL
Stops
cleaning
Appliance is ON but
ON/OFF switch feed-
back still OFF
• Wiring-Connection
loose
The appliance is ON but the ON/OFF switch
shows still OFF. Cooking still possible. The
cleaning is blocked for safety reason.
• Try to switch the oven OFF/ON. If the alarm
persists, it is still possible to operate cooking,
but it is recommended not to start any
cleaning cycle until the service will have
resolved the issue.
• Clean manually the oven and call Service.
tCMS
Stops
oven; fatal
error
TC software version
(inside ACU board)
incompatible with
present UI SW
version
Wrong software upload
(example: after replacing
ACU board)
TC software version (inside ACU board) incom-
patible with present UI SW version.
• Call service
Hod0
Hood level
2 Electric
oven:
Warning
Hood level
2 gas
oven:
stops oven
Hood level
3 (Electric
only):
Warning
Hood level
4 (Electric
only):
stops oven
Level 2, 3, 4: Malfunc-
tion on hood motor
regulator
Hood’s Electrical power
supply off
• Hood Fan safety ther-
mostat over
temperature
• Automatic Controller
damage
• Hood/oven interface
cable disconnected or
damaged
Restart oven.
If the causes persist, error will appear again,
Call service.
hod1
Warning
Level 4 only: Hood’s
UV lamp compart-
ment open
UV-C lamp’s cassette are
not in right position
Restart oven.
If the causes persist, error will appear again,
call service.
Hod2
Warning
Level 4 only: Hood’s
UV lamp compart-
ment open
The cover panel of central
technical compartment
(UV-C) is not in
appropriate position or is
not properly closed
Restart oven.
If the causes persist, error will appear again,
call service.
Hod3
Warning
Level 4 only: Hood’s
water separator filter
missing
The Demister and Water
Separator Filter are not in
appropriate position
Restart oven.
If the causes persist, error will appear again,
call service.
hod5
Warning
Level 4 only: Hood’s
lamp 1 missing or not
working
Hood’s UV-C lamp 1 and/or
2 missing or not working
Restart oven.
If the causes persist, error will appear again,
call service.
hod6
Warning
Level 4 only: Hood’s
lamp 2 missing or not
working
Hood’s lamp 3 and/or lamp
4 missing or not working
Restart oven.
If the causes persist, error will appear again,
call service.