Hans Grohe AXOR Urquiola 11422000 Installation Instructions Manual page 9

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 - Temperature regulator dirty or
Safety stop button not operating
Valve stiff
Shower or spout dripping
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
calcified
- For new installations: basic body
incorrectly connected (should be:
cold right, hot left) or installed with
180 rotation
- Spring defective
- Button calcified
- Shut-off unit damaged
- Dirt or sedimentation on valve seat,
shut-off unit damaged
Remedy
- Check water pressure (If a pump
has been installed check to see if
the pump is working).
- Clean filters
- Clean filter seal between shower
and hose
- Clean backflow preventers,
exchange if necessary
- Adjust thermostat
- Increase hot water temperature to
42 C to 65 C
- Clean temperature regulator,
exchange if necessary
- Install function block turned through
180
- Clean spring and/or button,
exchange if necessary
- Exchange shut-off unit
- Clean or exchange shut-off unit