Bosch HBG633B.1A User Manual And Installation Instructions page 21

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Fault
Maximum operating
time reached.
A message with "D"
or "E" appears in the
display, e.g. D0111
or E0111.
The cooking result is
not satisfactory.
18.2 Replacing the oven light bulb
If the light in the cooking compartment fails, change
the oven light bulb.
Note: Heat-resistant, 40-watt, 230 V halogen bulbs are
available from the after-sales service or specialist retail-
ers. Only use these bulbs. Hold the new halogen bulbs
only with a clean, dry towel. This increases the service
life of the bulb.
WARNING ‒ Risk of burns!
The appliance and its parts that can be touched be-
come hot during use.
Caution should be exercised here in order to avoid
touching heating elements.
Young children under 8 years of age must be kept
away from the appliance.
WARNING ‒ Risk of electric shock!
When changing the bulb, the bulb socket contacts are
live.
Before replacing the bulb, ensure that the appliance
is switched off in order to prevent a potential electric
shock.
Also unplug the appliance from the mains or switch
off the circuit breaker in the fuse box.
Requirements
¡ The appliance is disconnected from the power sup-
ply.
¡ The cooking compartment has cooled down.
¡ You have a new halogen bulb to replace the old one.
Cause and troubleshooting
To prevent an unwanted permanent operation, the appliance automatically stops heating
after several hours if the settings are unchanged. A message appears in the display.
The point at which the maximum operating time is reached is determined by the corres-
ponding settings for an operating mode.
To continue the operation, press any touch field and turn the control ring.
1.
If you do not need to use the appliance, use
2.
Tip: To prevent the appliance from switching off when you do not want it to, set a cooking
time.
→ "Setting the cooking time", Page 12
The electronics have detected a fault.
Switch the appliance off and on again.
1.
a If the fault was a one-off, the message disappears.
If the message appears again, call the after-sales service. Please specify the exact error
2.
message when calling.
→ "Customer Service", Page 22
Settings were unsuitable.
Setting values, e.g. temperature or cooking time, depend on the recipe, quantity and food.
Next time, set lower or higher values.
Tip: A lot of information about the food preparation and corresponding setting values
can be found on our website www.bosch-home.com.
​ ⁠ to switch it off.
Place a tea towel in the cooking compartment to
1.
prevent damage.
Turn the glass cover anti-clockwise to remove it  ​ ⁠ .
2.
Pull out the halogen bulb without turning it  ​ ⁠ .
3.
Insert the new halogen lamp and press it firmly into
4.
the socket.
Make sure the pins are positioned correctly.
Depending on the appliance model, the glass cover
5.
may have a sealing ring. Put the sealing ring in posi-
tion.
Screw the glass cover on.
6.
Take the tea towel out of the cooking compartment.
7.
Connect the appliance to the power supply.
8.
Troubleshooting en
21

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