Installation Sheet

27
Troubleshooting
Problem Possible Cause Solution
Insufficient water - Supply pressure inadequate - Check water pressure (If a pump
has been installed check to see if the
pump is working).
- Regulator filter dirty - Clean filters
- Handshower filter seal dirty - Clean filter seal between handshower
and hose
Crossflow, hot water being forced into
cold water pipe, or vice versa, when
mixer is closed
- Backflow preventers dirty or worn - Clean backflow preventers, replace
if necessary
Spout temperature does not
correspond with temperature set
- Thermostat has not been adjusted - Adjust thermostat
- Hot water temperature too low - Increase hot water temperature
Temperature regulation not possible - Thermostatic cartridge dirty or worn - Clean thermostatic cartridge, replace
if necessary
- For new installations: rough valve
incorrectly connected (should be:
cold right, hot left)
- Rotate function block 180°or correct
the plumbing
Safety stop button not operating - Spring dirty or worn - Clean spring and/or button, replace
if necessary
- Button calcified
Shutoff valve stiff - Select shutoff valve DN9 dirty or
worn
- Replace Select shutoff valve DN9
Shower or spout dripping - Select shutoff valve DN9 dirty or
worn
- Replace Select shutoff valve DN9
Pushbutton cannot be actuated or is
without function
- Safety guard of on-off valve has not
been removed
- Remove safety guard from isolating
valve
Pushbutton is jammed or stiff - O-ring needs to be lubricated - Lightly lubricate the o-ring using white
plumbers' grease
Pushbutton does not snap in - Select Adapter trimmed incorrectly - Trim and mount Select Adapter
according to Fig. 7 (see page page
8)
- Press the pushbutton into the
escutcheon, then mount the
escutcheon.
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 tempera-
ture limit stop and justify the handle.
• To prolong the life of the themostatic car-
tridge, regularly run it through its full range of
temperatures.