Fault
Insufficient water
Crossflow, hot water being forced
into cold water pipe, or vice versa,
when mixer is closed
Spout temperature does not
correspond with temperature set
Temperature regulation not possible - thermo cartridge calcified
Shower or spout dripping
Instantaneous heater didn't work
with thermostat
English
Cause
- Supply pressure inadequate
- Regulator filter dirty
- Shower filter seal dirty
- Backflow preventers dirty or leak-
ing
- Thermostat has not been adjusted
- Hot water temperature too low
- Dirt or sedimentation on valve seat,
shut-off unit damaged
- Filters are dirty
- check valve hasn't moved back
- Flow limiter in handshower isn't re-
moved
Assembly
(see page 8)
Remedy
- Check water pressure (If a pump
has been installed check to see if
the pump is working).
- Clean filter in front of the mixer and
on the MTC-thermo cartridge
- Clean filter seal between shower
and hose
- Clean backflow preventers, ex-
change if necessary
- Adjust thermostat
- Increase hot water temperature to
42 ºC to 65 ºC
- Exchange thermo cartridge
- Clean or exchange shut-off unit
- Clean the filter / exchange filter
- Exchange check valves
- Remove flow limiter
7