Grohe MintaTouch 31 359 Manual page 5

Maintenance
Inspect and clean all components and replace if necessary.
Shut off hot and cold water supply.
Remove battery and disconnect all plug-in connectors,
see fold-out page III, Fig. [14].
I. Cartridge, see fold-out page IV, Fig. [20].
Assemble in reverse order. When installing the cartridge,
ensure that the seals are correctly seated. Tighten the screws
evenly and alternately.
II.Pull-out spray with non-return valve, see fold-out page IV,
Fig. [21].
Assemble in reverse order.
III. Battery, see fold-out page III, Fig. [14].
The battery must be replaced 10 years after commissioning of
the faucet at the latest.
Batteries which are almost discharged are indicated by 3 water
pulses. If the battery is discharged, the indicator lamp in the
sensor system also flashes.
Assemble in reverse order.
Insert battery with correct polarity!
Fault Cause
• Water supply interrupted
Water not flowing
• Water supply interrupted
Water flow does not
• Filter in solenoid valve blocked
start after touch
• Plug-in connector of solenoid valve without
contact
• Solenoid valve defective
• No voltage
- Battery discharged
- Plug-in connector without contact
• Cleaning mode activated
• Sensity of sensor system is too low
• Solenoid valve defective
Water flowing
continuously
• Sensity of sensor system is too high
Undesired water
• Trip by moisture
flow
• Using a metal sink
Undesired opening
• Using of a non isolatet hose as extension
or closing of faucet
with contact to other hoses
• Faucet is not correct calibrated
• Potential equalisation not obtained
• Mousseur dirty
Flow rate too low
• Filter in solenoid valve dirty
• Shut-off valves, service valves not fully open
English
IV. Solenoid valve, see fold-out page IV, Fig. [22] and [23].
Assemble in reverse order.
V. Control, see fold-out page IV, Fig. [22] to [24].
Assemble in reverse order.
VI. Check valve and filter, see fold-out page IV, Fig. [25].
Assemble in reverse order.
Replacement parts
See fold-out page I (* = special accessories).
Care
Instructions for care of this faucet will be found in the Limited
Warranty supplement.
Disposal instructions
This category of device does not belong in the
domestic waste, but must be disposed of
separately in accordance with the relevant local
national regulations.
Dispose of batteries in accordance with national
regulations.
Remedy
- Open shut-off valves, service valves
- Open shut-off valves, service valves
- Clean filter
- Attach plug-in connector
- Replace solenoid valve
- Replace battery
- Check plug-in connectors
- Wait 2 minutes
- Increase sensitivy
- Replace solenoid valve
- Decrease sensitivy
- Discard any damp cloth on the lever
- Connect sink to control using the supplied cable
- Remove contact of inlet hoses or other hoses
- Remove battery and insert again. After the red
control light going out control again
- Obtain potential equalisation, see chapter
Connect faucet
- Clean or replace mousseur
- Clean filter
- Fully open shut-off valves, service valves, check
supply lines
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