Follett 110CT400A/W - Manual (Page 19)

Troubleshooting SensorSAFE board and sensors
Board guide
LEDs, when illuminated, indicate the following:
PWR (board power)
CLN (cleaning, no dispensing cycle)
ICE (ice dispensing activated)
WTR (water dispensing activated)
Terminals:
L1 (incoming power, hot)
L2 (neutral terminals)
WTR (power terminal for water solenoid)
SOL (power terminal for dispense gate
solenoid) not used
WM (power terminal for wheel motor)
CLN (terminals for clean cycle switch)
Action
Check LEDs on control
board
Place cup under drop
zone
LED Status
PWR CLN ICE/WTR
OFF OFF OFF
ON ON OFF
ON OFF OFF
ON OFF ON
Solution
Check circuit breakers and power switch; restore
power or replace defective switch
Depress clean switch located under left side of front
cover to return board to normal operation
Troubleshoot appropriate lens/sensor and replace if
required (see Lens/Sensor Troubleshooting below)
Verify power on appropriate output terminal
(WTR SOL or WM) on control board and replace
board if required; if board tests okay, troubleshoot
appropriate dispenser component
Problem: Does not dispense ice or water
Action
Check LEDs on control
board
LED Status
PWR CLN ICE/WTR
ON OFF ON
ON OFF OFF
Solution
Troubleshoot appropriate lens/sensor and replace if
required (see Lens/sensor troubleshooting below)
If there is power on any output terminal (WTR, SOL
or WM) on control board, replace board
Remove lens protective cover; adjust funnel so water
doesn’t drip down lens or behind splash panel
Problem: Dispenses ice or water continuously
19