11
splwashrooms.co.nz
Symptom
Possible Cause
Corrective Action
No water flow -
is LED on sensor
flashing red when
hands are within
active range?
a. Water supply
b. Water connections
c. Filter is clogged
d. Faucet to solenoid power
connection
e. Faulty solenoid
a. Ensure water at source
b. Ensure connections
c.
Clean filter (angel valve
and solenoid)
d. Reconnect plugs from
faucet to solenoid valve
e. Replace solenoid
No water flow -
LED on sensor
NOT flashing
when hands are
within active
range.
a. Power supply
b. Power connectors to faucet
(wago connectors)
c. IR sensor damaged
d. Faulty IR sensor
a. Ensure power at
source
b. Check all connections
and polarity
c.
Replace IR sensor filter
d. Replace IR sensor
Water doesn’t
stop flowing
a. Dirty IR sensor
b. Obstruction in detection
zone
c. Water drop on sensor eye
d. Ghost sensing due to
reflection
a. Clean IR sensor
b. Remove obstruction
c. Wipe sensor
d.
Remove reflective
surface or reposition
Reduced flow rate
a. Filter clogged
b. Aerator clogged
c. Water supply
a.
Clean filter
b. Clean aerator
c.
Check perssure / flow
at source
Troubleshooting
