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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.
Disassembly and replacement instructions
Dispense wheel removal
1. Remove all ice from storage area of
dispenser.
2. Remove center thumbscrew (Fig. 18.1),
locking plate (Fig. 18.2), two wingnuts (Fig.
18.3) and backing plate (Fig. 18.4) from
front of storage hopper (see drawing at
right).
3. Remove threaded rod (Fig. 18.5), agitator
(Fig. 18.6), baffle (Fig. 18.7), and wheel
(Fig. 18.8) in this sequence.
Wheelmotor removal
1. Remove dispense wheel.
2. Remove four (4) dispenser motor bracket
mounting screws and washers (Fig. 19.1).
3. Remove (4) screws holding motor to
mounting bracket (Fig. 19.2).
36
12CI425A, 12HI425A
Fig. 17
L1
PWR
WM
WTR
SOL
Fig. 18
4
3
2
1
1
GND
ICE
WTR
CLN
5
6
1
7
8
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