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