
- 1 - EN
FAQ - English
For chapter indications, refer to the complete instruction manual on the internet.
Error Possible cause Corrective action
Displays remain
blank after the oven
is switched on at the
main power switch.
• Power cord not plugged in.
• Building fuse blown.
• Device fuse blown.
• Plug the power cord into the wall outlet.
• Check the building fuse and replace, as re-
quired.
• Check the device fuse and replace, as re-
quired (refer to Sec. 6.3).
The building fuse
blows each time the
heater is switched on.
• Inadequate mains power protec-
tion.
• The building fuse must be at least 16A.
Heating status display
fails to go on even
though the heater has
been switched on with
the Stop/Start key.
• Oven door not closed.
• Door sensor fallen off.
• Faulty door sensor.
• Faulty internal door open detec-
tion switch.
• Close the unit door.
• Reinstall the door sensor (refer to Sec. 6.5).
• Replace the door sensor (refer to Sec. 6.5).
• Have the unit repaired.
Heating status display
indicates heating but
the oven fails to warm.
• Faulty thermocouple.
• Faulty heater coil.
• Faulty power electronics.
• Replace the thermocouple (refer to Sec. 6.4).
• Have the unit repaired.
• Have the unit repaired.
Temperature display
stays at a specic
value even though the
oven heats.
• Faulty thermocouple. • Replace the thermocouple (refer to Sec. 6.4).
Extremely excessive
temperature; oven
overheats.
• Faulty thermocouple.
• Faulty power electronics.
• Replace the thermocouple (refer to Sec. 6.4)
• Have the unit repaired.
The programme imme-
diately starts when the
oven is switched on.
• Oven was switched off before
programme ran to completion.
Switching the oven off was inter-
preted as a power failure.
• Wait until the programme concludes before
switching the oven off or prematurely termi-
nate the programme with the Stop/Start key.
The wrong time is in-
dicated in the standby
mode.
• Clock not set.
• The clock backup battery is
dead.
• Check the system time and reset, as required
(refer to Sec. 2.3.1).
• Replace the backup battery (refer to Sec. 6.6).
The indicated casting
time makes no sense
• Faulty system time. • Check the system time and reset, as required
(refer to Sec. 2.3.1).
The year indicator
ashes each time the
oven is switched on
• Backup battery is dead. • Replace the backup battery (refer to Sec. 6.6).
Err 1 to Err 4 • External fault
• Faulty controller
• Switch the oven off, then on, and repeat the
interrupted procedure (e.g., restart the heating
programme).
• Have the unit repaired.
Err 5 and Err 6 • Too much cold material placed in
a warm oven.
• Door left open too long.
• Thermocouple cable loose.
• Faulty thermocouple.
• Restart the heating programme.
• Restart the heating programme.
• Check that the heating cable is securely at-
tached. Reattach as required.
• Replace the thermocouple (refer to Sec. 6.4).