Siemens CN878G4 6 Series User Manual And Installation Instructions page 39

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Fault
The operation does
not start or is inter-
rupted.
Appliance does not
heat up and "Demo
mode is switched on"
appears in the dis-
play.
The appliance does
not start and "Cook-
ing compartment too
hot" appears in the
display.
The time is not dis-
played when the ap-
pliance is switched
off.
Appliance door can-
not be opened.
HomeConnect is not
working correctly.
The control panel
cannot be opened.
Steam escaping from
ventilation slots dur-
ing cooking
The appliance re-
quests descaling
without the counter
appearing in ad-
vance.
The appliance
prompts you to rinse
it.
Cause and troubleshooting
Malfunction
Call the after-sales service.
→ "Customer Service", Page 41
Different causes are possible.
Check any notifications that appear in the display.
→ "Displaying information", Page 17
Device is in demo mode.
1.
Briefly disconnect the appliance from the power supply by switching the circuit breaker in
the fuse box off and back on again.
2.
Switch off demo mode within three minutes in the
→ "Basic settings", Page 30.
There has been a power cut.
Open and close the appliance door once after a power failure.
a The appliance is checked and is ready to use.
The cooking compartment is too hot for the selected dish or type of heating.
Allow the cooking compartment to cool down and start again.
Basic setting has been changed.
Change the basic setting for the time display.
→ "Basic settings", Page 30
The cleaning function locks the appliance door;
Allow the appliance to cool down until ​ ⁠ goes out in the display.
The childproof lock locks the appliance door.
Use the
​ ⁠   button to deactivate the childproof lock.
→ "Childproof lock", Page 27
You can switch off the lock in the basic settings.
→ "Basic settings", Page 30
Different causes are possible.
Go to www.home-connect.com.
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.
Malfunction
1.
Call the after-sales service.
→ "Customer Service", Page 41
2.
If there is water in the water tank, empty the water tank:
Open the appliance door.
Grip on the right and left below the control panel.
Slowly pull out the control panel and push it upwards.
Escaping steam is not a fault.
No action required.
The set water hardness range is too low.
1.
Descale the appliance.
→ "Descaling", Page 34
2.
Check the water hardness and set this in the basic settings.
→ "Basic settings", Page 30
During the descaling, the power supply is interrupted or the appliance is switched off.
Rinse the appliance twice.
→ "Descaling", Page 34
​ ⁠   lights up in the display.
Troubleshooting en
39

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