63
Anom-
aly
Type of
anomaly
Description
Possible causes
Actions
HFnI
Stops
humidifier
Humidifier not working
• Water missing;
• ISG circuit obstruction.
The oven has detected a problem with the
humidifier (ISG). It is only possible to cook in
convection mode.
Verify the water supply valve is fully open and
the water filler has no obstructions. Clean it if
needed.
If the problem persists, call Service.
Htd
Stops oven
Drain temperature
above safety limit
Possible lack of water in the
drain system.
• Check that the oven has water supply;
• Pour some water on the bottom cavity filter;
• Wait for the alarm to blink off;
• If the problem persists, call Service.
LPIn
Stops cycle
Boiler level sensor
problem
• Humid lime shortcutting
boiler level sensors.
• Insulation issues with the
boiler level sensors
The oven can continue to operate in convection
or in ISG mode.
• There is a problem with the water level in the
boiler: run a cleaning program including the
rinse and descale cycle and use 2 tabs C25
only. (Follow the procedure as per User
Manual);
• If the problem persists, call Service.
MCbM
Stops oven
Lower inverter commu-
nication problem
• Issue with the motor
inverter;
• Connection or electrical
issue
Communication error with lower cavity motor
inverter.
• Try to switch the oven OFF/ON.
• If the problem persists, call Service.
MCtM
Stops the
oven
Upper inverter commu-
nication problem
• Issue with the motor
inverter;
• Connection or electrical
issue,
Communication error with upper cavity motor
inverter.
• Try to switch the oven OFF/ON.
• If the problem persists, call Service.
PFAC
Stops oven
Factory parameters
map corrupted
Issue with the SW or with
the HW
• Try to switch the oven OFF/ON.
• If the problem persists, call Service.
SbbU
Stops
boiler gas
Boiler gas fan speed
issue
• Burner blower motor
overload due to dirt or
oxidation
• Other electrical/mechani-
cal issue
Burner fan does not reach the desired speed.
Call Service.
SbCd
Stops cycle
Stops
cycle/
convection
Cavity lower gas
burner blower speed
issue
• Burner blower motor
overload due to dirt or
oxidation;
• Other electrical/mechani-
cal 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/mechani-
cal issue.
Burner fan does not reach desired speed.
Ovens with boiler can cook in 100
℃
steam
mode. To restore full oven functionality call
Service.
SLUS
Stops
boiler
cycles
Water boiler working
level not reached in
time
• Water supply valve
closed or partly closed;
• Temporary lack of water
supply pressure;
•
Boiler water level sensor
failure;
• Boiler leakage: drain
valve or fracture.
• Ensure the water supply valve is fully open
and the water filter has no obstructions. Clean
it if needed;
• The oven can continue to work in Convection
mode;
•
Unless the water is missing from the mains,
the oven can continue to work in recovery
mode
• Call Service to restore boiler functionality.
If the fault persists after carrying out the above checks, contact the Customer Care Service, remembering to specify:
A. the type of fault;
B. the appliance PNC (production number code);
C. the Ser. No. (appliance serial number).