Troubleshooting - Bosch HLL09A020U User Manual

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en Troubleshooting
21  Troubleshooting
You can rectify minor faults on your appliance yourself.
Read the troubleshooting information before contacting
after-sales service. This will avoid unnecessary costs.
WARNING ‒ Risk of injury!
Improper repairs are dangerous.
Repairs to the appliance should only be carried out
by trained specialist staff.
If the appliance is defective, call Customer Service.
WARNING ‒ Risk of electric shock!
Incorrect repairs are dangerous.
Repairs to the appliance should only be carried out
by trained specialist staff.
21.1 Malfunctions
Fault
The appliance is not
working.
21.2 Information on the display panel
Fault
No displays light up.
The displays flash.
The "-" display
flashes in the cooking
zone displays.
​ ⁠ ​ ⁠ , ​ ⁠   ​ ⁠
​ ⁠ ​ ⁠ + power level and
audible signal
​ ⁠ ​ ⁠ and signal tone
​ ⁠ ​ ⁠ / ​ ⁠ ​ ⁠
24
Cause and troubleshooting
The mains plug of the power cord is not plugged in.
Connect the appliance to the power supply.
The circuit breaker is faulty.
Check the circuit breaker in the fuse box.
There has been a power cut.
Check whether the lighting in your kitchen or other appliances are working.
Cause and troubleshooting
The power supply has been disconnected.
Use other electrical appliances to check whether there has been a power failure.
The appliance has not been connected as shown in the circuit diagram.
Connect the appliance in accordance with the circuit diagram.
Electronics fault
If you are unable to rectify the fault, inform the technical after-sales service.
The control panel is wet or an object is covering it.
Dry the control panel or remove the object.
A fault has occurred in the electronics.
To acknowledge the fault, briefly cover the control panel with your hand.
The electronics have overheated and one or all of the cooking zones have been switched
off.
Wait until the electronics have cooled down sufficiently. Then touch any button on the
control panel.
There is hot cookware in the vicinity of the control panel. This may cause the electronics to
overheat.
Remove the cookware. The fault display goes out shortly afterwards. You can continue to
cook.
There is hot cookware in the vicinity of the control panel. The cooking zone has been
switched off to protect the electronics.
Remove the cookware. Wait a few seconds. Touch any button. When the fault display
goes out, you can continue cooking.
The cooking zone has overheated and has been switched off to protect the work surface.
Wait until the electronics have cooled down sufficiently before switching the cooking
zone back on.
Only use genuine spare parts when repairing the
appliance.
If the power cord of this appliance is damaged, it
must be replaced by the manufacturer, the manufac-
turer's Customer Service or a similarly qualified per-
son in order to prevent any risk.
WARNING ‒ Risk of fire!
The hob switches off automatically and can no longer
be operated. It may switch on unintentionally at a later
point.
Switch off the fuse in the fuse box.
Call the customer service.

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