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Troubleshooting
Problem
Insufficient water
Crossflow, hot water being forced into
cold water pipe, or vice versa, when
mixer is closed
Spout temperature does not cor-
respond with temperature set
Temperature regulation not possible
Safety stop button not operating
Shutoff valve stiff
Shower or spout dripping
Pushbutton cannot be actuated or is
without function
Pushbutton is jammed or stiff
Pushbutton does not snap in
Maintenance
• Inspect the check valves at least once per year.
Replace the check valves if necessary.
• 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.
Possible Cause
Supply pressure inadequate
Regulator filter dirty
Handshower filter seal dirty
Backflow preventers dirty or worn
Thermostat has not been adjusted
Hot water temperature too low
Thermostatic cartridge dirty or worn
For new installations: rough valve
incorrectly connected (should be:
cold right, hot left)
Spring dirty or worn
Button calcified
Select shutoff valve DN9 dirty or
worn
Select shutoff valve DN9 dirty or
worn
Safety guard of on-off valve has not
been removed
O-ring needs to be lubricated
Select Adapter trimmed incorrectly
Solution
Check water pressure (If a pump
has been installed check to see if
the pump is working).
Clean filters
Clean filter seal between hand-
shower and hose
Clean backflow preventers, replace
if necessary
Adjust thermostat
Increase hot water temperature
Clean thermostatic cartridge,
replace if necessary
Rotate function block 180°or cor-
rect the plumbing
Clean spring and/or button,
replace if necessary
Replace Select shutoff valve DN9
Replace Select shutoff valve DN9
Remove safety guard from isolating
valve
Lightly lubricate the o-ring using
white plumbers' grease
Trim and mount Select Adapter ac-
cording to Fig. 8 (see page 8)
Press the pushbutton into the
escutcheon, then mount the escutch-
eon.
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