Customer Service - Bosch HB 78 6B Series User Manual And Installation Instructions

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Fault
The appliance is not
working.
Appliance is not heat-
ing, the colon flashes
in the display and a ​ ⁠
appears.
The appliance door
cannot be opened;
​ ⁠
lights up in the dis-
play.
The appliance door
cannot be opened;
​ ⁠   lights up in the dis-
play.
The time flashes in
the display.
The time does not ap-
pear in the display
when the appliance is
switched off.
​ ⁠ lights up in the dis-
play and no settings
can be made on the
appliance.
​ ⁠ flashes in the dis-
play and the appli-
ance will not start.
​ ⁠ ​ ⁠ appears in the
display.
A message with  ​ ⁠
appears in the dis-
play, e.g. ​ ⁠ ​ ⁠ ​ ⁠ - ​ ⁠ ​ ⁠ .
Home Connect is not
working properly.
20.2 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.
Cause and troubleshooting
Electronics fault
1.
Briefly disconnect the appliance from the power supply by switching off the fuse.
Reset the basic settings to the factory settings.
2.
→ "Basic settings", Page 18
Demo mode is activated.
Briefly disconnect the appliance from the power supply by switching the circuit breaker in
1.
the fuse box off and then on again.
Deactivate demo mode within 5 minutes by changing the last basic setting (depending
2.
on the appliance type ​ ⁠   ​ ⁠   ​ ⁠ or ​ ⁠   ​ ⁠   ​ ⁠ ) to  ​ ⁠ .
→ "Basic settings", Page 18
The childproof lock locks the appliance door.
Use the
​ ⁠   button to deactivate the childproof lock.
→ "Childproof lock", Page 17
The cleaning function locks the appliance door.
Allow the appliance to cool down until ​ ⁠ goes out in the display.
→ "Pyrolytic self-cleaning ", Page 23
There has been a power cut.
Reset the time.
→ "Setting the time on the clock", Page 13
The basic setting has been changed.
Change the basic setting for the time display.
→ "Basic settings", Page 18
Childproof lock is activated.
Use the
​ ⁠   button to deactivate the childproof lock.
→ "Childproof lock", Page 17
The cooking compartment is too hot for the selected operation.
Switch off the appliance and allow it to cool down.
1.
Restart the operation.
2.
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
Electronics fault
Press the
​ ⁠   button.
1.
If required, reset the time.
a If the fault was a one-off, the error message disappears.
If the error message appears again, call the after-sales service. Quote the exact error
2.
message and the E no. of your appliance.
→ "Customer Service", Page 30
Different causes are possible.
Go to www.home-connect.com.
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.
Troubleshooting en
29

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