Changing Sensor Detection Range; Troubleshooting - geberit 115.728.21.1 Instrucciones De Instalación

Geberit Exposed Electronic Faucet
Installation & Maintenance Instructions
The detection distance setting can be used to change the detection
distance.
1. Cover the infrared window. Water will switch off after 5 seconds.
Keep the window covered and the water comes back on after another 5
seconds. Uncover the window. The detection distance function is now
active.
2. Hold your hand in the current detection area until the LED flashes.
3. Move your hand to the desired detection range. When the LED stays lit
for 2 seconds, detection range is set.
Problem
No water flow.
© 0504
Tag # T311
964.143.00.0

CHANGING SENSOR DETECTION RANGE

TROUBLESHOOTING

Possible Cause
Supply valves are closed.
Faucet is in cleaning mode
(approximately 90 seconds).
Water inlet lines are interrupted or are
not in order.
- Inlet water line filter is dirty or blocked.
- Braided hose is kinked.
- Backflow preventer (BFP) is blocked.
- No external water pressure.
Aerator is blocked or dirty.
Sensor distance (detection) is not
adjusted properly.
Solenoid valve does not open.
- Setscrew is missing.
- Wire on setscrew is too short or broken
off.
- Electronics inoperable.
Solenoid valve does not open-solenoid
valve is inoperable.
No electrical power from battery to the
electronics.
- Battery is drained.
- Battery contacts are corroded.
- Connecting cable is kinked or broken.
Open supply valves.
Wait for cleaning mode to end.
- Clean inlet line filter
- Eliminate braided hose kink.
- Eliminate problem at BFP.
- Check water pressure.
Clean aerator, replace if necessary.
Check sensor detection distance adjustment.
- Replace setscrew.
- Replace setscrew.
- Contact Geberit technical service.
Replace solenoid valve.
- Replace batter.
- Clean contacts.
- Contact Geberit technical service.
5
Possible Solution