19
Troubleshooting
Problem
Possible Cause
Solution
Insufficient water
–
Supply pressure inadequate
–
Check water pressure
–
Cartridge filters dirty
–
Clean the filters
–
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 - should
be hot/left and cold/right
–
Turn the function block 180° or
correct the plumbing
–
Thermostatic cartridge dirty or
worn
–
Replace the thermostatic
cartridge
• Inspect the check valves and filters at least once
per year. Replace if dirty or worn.
• Should the volume of water decrease over time,
inspect and clean the filters on the thermostatic
cartridge. After reassembly, set the high
temperature limit stop and justify the handle.
• To prolong the life of the themostatic cartridge,
regularly run it through its full range of
temperatures.
Maintenance
