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T R O U B L E S H O O T I N G
P ROB L EM
Insufficient water
Crossflow: hot water forced into cold
water supply or vice versa when
mixture is closed
Output temperature does not corre-
spond with temperature marked on
handle
Safety stop button not operating
Handle hard to turn
Shower or spout dripping
Temperature regulation not possible
M AI N TEN A N C E
⁄ 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 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.
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POS S I B L E C AU S E
⁄ 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 sup-
plies are reversed - should be hot/
left and cold/right
⁄ Thermostatic cartridge dirty or worn
S OLUTIO N
⁄ 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° or
correct the plumbing
⁄ Replace the thermostatic cartridge
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