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
leaking
- 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
removed
Assembly (see page 22)
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,
exchange if necessary
- Adjust thermostat
- Increase hot water temperature to
42 ºC to 60 ºC
- Exchange thermo cartridge
- Clean or exchange shut-off unit
- Clean the filter / exchange filter
- Exchange check valves
- Remove flow limiter
7