en Troubleshooting
Fault
Display shows "Please
clean brewing unit.".
Display shows "Over-
voltage or under-
voltage".
Display shows "Error
in water system.
Please restart appli-
ance.".
Display very frequently
shows "Please run
calc'nClean pro-
gramme!".
30
Cause and troubleshooting
Mechanism of brewing unit is stiff.
Clean the brewing unit.
▶
There are problems with the power supply.
Only operate the appliance at 220 - 240 V.
▶
Appliance has a fault.
Pull out the mains plug and wait 10 seconds.
1.
Re-insert the mains plug.
2.
Decalcified water still contains small amounts of lime.
Insert a new water filter.
1.
Set the corresponding water hardness.
2.
Incorrect or too little descaling agent used.
When descaling, only use suitable tablets.
▶
Service programme has not been carried out in its en-
tirety.
Start the "Special rinsing" service programme.
▶
→ "Service programmes", Page 24