Siemens TQ505DF Series - Page 71

Troubleshooting en
71
Fault Cause and troubleshooting
Display shows "Please
refill water tank" des-
pite the fact that the
water tank is full.
Water filter is old.
▶
Insert a new water filter.
Limescale deposits in the water tank are blocking the
system.
1. Clean the water tank thoroughly.
2. Start the descaling programme.
→"Using the descaling programme", Page65
Display shows "Please
clean brewing unit, re-
place and close
door.".
Brewing unit is soiled.
▶
Clean the brewing unit.
→"Cleaning brewing unit", Page63
Mechanism of brewing unit is stiff.
▶
Clean the brewing unit.
→"Cleaning brewing unit", Page63
Too much ground coffee in the brewing unit.
▶
Use no more than 2 level measuring spoons of
ground coffee.
→"Cleaning brewing unit", Page63
Display shows
"Voltage (V) incor-
rect.".
Voltage in the house system is incorrect.
▶
Only operate the appliance at 220-240V.
Display shows "Please
restart appliance.".
Brewing unit is heavily soiled or cannot be removed.
▶
Restart the appliance.
▶
Clean the brewing unit.
→"Cleaning brewing unit", Page63
Appliance has a fault.
1. Pull out the mains plug and wait 10seconds.
2. Re-insert the mains plug.
Display very frequently
shows "calc'nClean".
Decalcified water still contains small amounts of lime.
1. Insert a new water filter.
→"Inserting and activating the water filter", Page58
2. Set the corresponding water hardness.
→"Setting the water hardness", Page52
Incorrect or too little descaling agent used.
▶
When descaling, only use suitable tablets.
Service programme has not been carried out in its en-
tirety.
▶
Reset the service programme.
→"Resetting service programmes", Page65