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Troubleshooting
Problem
Insufficient water
Crossflow: hot water forced into cold
water supply or vice versa when
mixture is closed
Output temperature does not cor-
respond with temperature marked
on handle
Temperature regulation not possible – (new installation) Hot and cold sup-
Safety stop button not operating
Handle hard to turn
Shower or spout dripping
Maintenance
• 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.
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
plies are reversed
– Thermostatic cartridge dirty or worn – Replace the thermostatic cartridge
– Button and/or spring are dirty or
worn
– Cartridge dirty or worn
– Volume control cartridge dirty or
worn
• To prolong the life of the themostatic cartridge,
– Check water pressure
– Clean the filters
– Clean the filter
– Clean check valves, replace if
necessary
– Justify the handle
– Increase the hot water temperature
– Correct the plumbing
– Clean spring and button, replace if
necessary
– Replace cartridge
– Clean or replace volume control
cartridge
regularly run it through its full range of temperatures.
Solution
27
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