Siemens EQ900 TQ905 Series - Troubleshooting Display Messages and Programmes; Water Tank and Brewing Unit Messages; Power Supply and Programme Issues

Troubleshooting en
37
Fault Cause and troubleshooting
Display shows "Please
fill water tank." despite
the fact that the water
tank is full.
1. Clean the water tank thoroughly.
2. Start the descaling programme.
Display shows "Please
clean the brewing unit
and the water tank if
necessary.".
Brewing unit is soiled.
▶ Clean the brewing unit.
Mechanism of brewing unit is stiff.
▶ Clean the brewing unit.
Display shows "Incor-
rect voltage".
There are problems with the power supply.
▶ Only operate the appliance at 220-240V.
Display shows "Re-
start appliance".
Appliance has a fault.
1. Pull out the mains plug and wait 60seconds.
2. Re-insert the mains plug.
Display very frequently
shows "Please run
calc'nClean pro-
gramme!".
Decalcified water still contains small amounts of lime.
1. Insert a new water filter.
2. Set the corresponding water hardness.
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30