Bosch HBA172BB0A

User Manual - Page 23

For HBA172BB0A.

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Troubleshooting en
23
Fault Cause and troubleshooting
The time does not ap-
pear in the display
when the appliance is
switched off.
The basic setting has been changed.
Change the basic setting for the time display.
→"Basic settings", Page14
⁠ lights up in the dis-
play and no settings
can be made on the
appliance.
Childproof lock is activated.
Use the ⁠button to deactivate the childproof lock.
→"Childproof lock", Page14
⁠ flashes in the dis-
play and the appli-
ance will not start.
The cooking compartment is too hot for the selected operation.
1.
Switch off the appliance and allow it to cool down.
2.
Restart the operation.
⁠ ⁠ appears in the
display.
The maximum cooking time has been reached. To prevent an unwanted permanent opera-
tion, the appliance automatically stops heating after several hours if the settings are un-
changed.
Switch off the appliance.
You can configure new settings if required.
Tip:To prevent the appliance from switching off when you do not want it to, e.g. for an
extremely long preparation time, set a cooking time.
→"Time-setting options", Page11
A message with ⁠
appears in the dis-
play, e.g. ⁠ ⁠ ⁠- ⁠ ⁠.
Electronics fault
1.
Press the ⁠button.
If required, reset the time.
a If the fault was a one-off, the error message disappears.
2.
If the error message appears again, call the after-sales service. Quote the exact error
message and the E no. of your appliance.
→"Customer Service", Page24
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.
WARNING‒Risk of injury!
The glass cover may already have broken due to ex-
ternal influences or it may break due to excessive pres-
sure when being installed or removed.
Exercise caution when installing or removing the
glass cover.
Use gloves or a tea towel.
Requirements
¡ The appliance is disconnected from the power sup-
ply.
¡ The cooking compartment has cooled down.
¡ You must have a new halogen lamp to replace the
old one.
1.
Place a tea towel in the cooking compartment to
prevent damage.
2.
Turn the glass cover anti-clockwise to remove it ⁠.
3.
Pull out the halogen bulb without turning it ⁠.
4.
Insert the new halogen bulb and press it firmly into
the socket.
Make sure that the pins are positioned correctly.
5.
Depending on the appliance model, the glass cover
may have a sealing ring. Attach the sealing ring.
6.
Screw in the glass cover.
7.
Remove the tea towel from the cooking compart-
ment.
8.
Connect the appliance to the power supply.
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