Fault/ Cause/ Remedy - Grohe TECTRON 37 749 Manuel D'installation

Fault/ cause/ remedy

Fault
No flushing
Water flowing continuously
Undesired flushing
Flow volume too low
Flow volume too high
Cause
• Water supply interrupted
• Filter in solenoid valve blocked
• Plug-in connector without contact
• The detection zone of the sensor system
is set too low/too high
• Solenoid valve defective
• Transformer faulty
• Electronics defective (indicator
lamp not flashing or permanently on)
• Solenoid valve defective
• The detection zone of the sensor system
is set too high
• Flow volume set too low
• Filter in solenoid valve blocked
• Solenoid valve defective
• Flow volume set too high
• Solenoid valve defective
Remedy
- Open isolating valve in wall connection
box
- Clean or replace filter,
see Cleaning or replacing filter
- Attach plug-in connector
- Increase/reduce detection zone using
remote control
(special accessories 36 407)
- Replace solenoid valve,
see Replacing solenoid valve
- Replace transformer,
see Replacing transformer
- Replace electronics,
see Replacing the top plate
with electronics
- Replace solenoid valve,
see Replacing solenoid valve
- An opposite object will be detected.
Reduce detection zone using remote
control (special accessories 36 407).
- Adjust flow volume,
see Setting the flow volume
- Clean or replace filter,
see Cleaning or replacing filter
- Replace solenoid valve,
see Replacing solenoid valve
- Adjust flow volume,
see Setting the flow volume
- Replace solenoid valve,
see Replacing solenoid valve
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