Installation Guide
30
Problem Possible Cause Solution
Insufficient water Supply pressure inadequate Check water pressure
Cartridge filters dirty Clean the filters (see page 18)
Showerhead or handshower filter dirty Clean the filter
Crossflow: hot water forced into
cold water supply or vice versa
when mixture is closed
Check valves dirty or worn Clean check valves, replace if
necessary
Output temperature does not
correspond with temperature
marked on handle
Handle not justified Justify the handle
Water heater set too low Increase the hot water temperature
Safety stop button not operating Button and/or spring are dirty or worn Clean spring and button, replace if
necessary
Handle hard to turn Cartridge dirty or worn Replace cartridge
Shower or spout dripping Volume control cartridge dirty or worn Clean or replace volume control
cartridge
Temperature regulation not
possible
(new installation) Hot and cold supplies
are reversed
Turn the function block 180°
Thermostatic cartridge dirty or worn Replace the thermostatic cartridge
Troubleshooting