Hans Grohe Metropol 15700 Series, Manual

Page: 11 / 68

11
Fault Cause Remedy
Insufficient water - Supply pressure inadequate
- Regulator filter dirty
- Shower filter seal dirty
- 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
Crossflow, hot water being forced
into cold water pipe, or vice versa,
when mixer is closed
- Backflow preventers dirty or
leaking
- Clean backflow preventers,
exchange if necessary
Spout temperature does not
correspond with temperature set
- Thermostat has not been adjusted
- Hot water temperature too low
- Adjust thermostat
- Increase hot water temperature to
42 C to 65 C
Temperature regulation not possible - Temperature regulator dirty or
calcified
- For new installations: basic body
incorrectly connected (should be:
cold right, hot left) or installed with
180 rotation
- Clean temperature regulator,
exchange if necessary
- Install function block turned through
180
Safety stop button not operating - Spring defective
- Button calcified
- Clean spring and/or button,
exchange if necessary
Valve stiff - Shut-off unit damaged - Exchange shut-off unit
Shower or spout dripping - Dirt or sedimentation on valve seat,
shut-off unit damaged
- Clean or exchange shut-off unit
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