Hansgrohe 15740000 Instructions De Montage page 13

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
Safety stop button not operating
The mixer does not start or stop
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
- Temperature regulator dirty or
calcified
- For new installations: basic
body incorrectly connected
(should be: cold right, hot left)
or installed with 180° rotation
- Spring defective
- Button calcified
- Battery is drained
- Electronioc, switch or cable fault
Remedy
- Check mains pressure
- 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 battery
- Exchange electronic
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