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Troubleshooting
Problem
The LED flashes while the faucet
is running
The LED lights continuously and
the faucet does not run
The LED flashes while the faucet is
turned off
The water stream is unattractive
The flow of water reduces over
time
Model 12171xx1: The water is not
warm enough or is too warm
Model 12172xx1: The water is
not warm enough or is too warm
Hot water bleeds into the cold
supply or vice versa
The faucet turns on unexpectedly
24
Possible Cause
The battery is low, but is still usable
The battery is dead
The faucet is in reduced range
mode
The faucet has recently been
installed or serviced
Debris in the filters
The handle has not been justified
The temperature must be set
The check valve(s) is dirty or worn
Water droplets on sensor window
The lavatory is small or is highly
reflective
A strong light source shines directly
on the sensor window
The solenoid is dirty or worn.
Solution
No immediate action is necessary, but
prepare to replace the battery.
Replace the battery
Normal operation, not a problem
No action needed: the stream will clear
after several uses
Follow the cleaning procedure
Justify the handle
Set the temperature
Replace the check valve(s) (item
96456000 on the parts sheet).
Dry the sensor window
Reduce the sensor range
Block the light source
Replace the solenoid.
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