Siemens TQ903 Series Information For Use page 35

Fault
Display shows "Please
fill water tank." despite
the fact that the water
tank is full.
Display shows "Please
clean brewing unit.".
Display shows "Incor-
rect voltage".
Display shows "Re-
start appliance".
Display very frequently
shows " ".
Cause and troubleshooting
Start the descaling programme.
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 220 - 240 V.
Appliance has a fault.
Pull out the mains plug and wait 60 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 28
Troubleshooting en
35