Follett Symphony Plus C/E12CI425A-LI Operation And Service Manual page 35

SensorSAFE board guide
LEDs, when illuminated, indicate the following: PWR
(board power), CLN (clean button pressed WTR and
WM outputs disabled), ICE (ice dispensing activated),
WTR (water dispensing activated) .
Terminals: L1 (incoming power, hot), L2 (neutral
terminals), WTR (power terminal for water solenoid),
WM (power terminal for wheelmotor), CLN (terminals
for clean cycle switch) .
Note: SOL terminal not used in 12 series dispensers .
Lens/sensor troubleshooting
1. Turn dispenser power switch off and remove splash panel .
2. Disconnect wires from WTR and WM terminals on board .
3. Gently remove sensor/mounting block from splash panel .
4. Inspect lens and sensor, clean if necessary .
5. Restore dispenser power and test sensor by passing hand in front of sensor .
6. If LED on board turns on, sensor is operational . Re-assemble dispenser .
7. If LED does not come on switch sensor leads on board and retest .
8. If opposite LED comes on – replace defective board .
9. If opposite LED does not come on – replace defective sensor .
Fig. 11
L1
WM
WTR SOL
E12CI425A 230 V 50 Hz, C12CI425A 220 V 60 Hz
GND
ICE
PWR
WTR
CLN
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