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en-us Troubleshooting
Issue
Display shows "Please
fill the water tank"
despite the water tank
being full.
Display shows "Please
clean brewing unit. In-
structions in Use and
Care Manual".
Display shows "Over-
voltage or
undervoltage".
Display shows "Error in
water system. Unplug
the appliance, wait one
minute and plug in
again.".
Display shows "Please
run Calc'nClean pro-
gram!" very frequently.
34
Cause and troubleshooting
Reinsert the filter.
2.
Water filter is old.
Insert a new water filter.
▶
Limescale deposits in the water tank are blocking the
system.
Clean the water tank thoroughly.
1.
Start the descaling program.
2.
Brewing unit is soiled.
Clean the brewing unit.
▶
Mechanism of brewing unit is stiff.
Clean the brewing unit.
▶
There are problems with the power supply.
Only operate the appliance at 120 V ∼.
▶
Appliance has an error.
Unplug the appliance and wait 60 seconds.
1.
Plug it back in.
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.
▶
Machine care cycle has not been carried out in its
entirety.
Start the "Special rinsing" machine care cycle.
▶
→ "Machine care cycles", Page 28
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