Troubleshooting Sensorsafe Board And Sensors - Follett Symphony 25CT400A Installation, Operation And Service Manual

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)
Problem: Does not dispense ice or water
Action
Check LEDs on control
board
Place cup under drop
zone
Problem: Dispenses ice or water continuously
Action
Check LEDs on control
board
LED Status
PWR CLN
OFF OFF
ON ON
ON OFF
ON OFF
LED Status
PWR CLN
ON OFF
ON OFF
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)
ICE/WTR
Check circuit breakers and power switch; restore
OFF
power or replace defective switch
Depress clean switch located under left side of front
OFF
cover to return board to normal operation
Troubleshoot appropriate lens/sensor and replace if
OFF
required (see Lens/Sensor Troubleshooting below)
Verify power on appropriate output terminal (WTR or
ON
WM) on control board and replace board if required;
if board tests okay, troubleshoot appropriate
dispenser component
ICE/WTR
Troubleshoot appropriate lens/sensor and replace if
ON
required (see Lens/sensor troubleshooting below)
If there is power on any output terminal (WTR or
OFF
WM) on control board, replace board
Remove lens protective cover; adjust funnel so water
doesn't drip down lens or behind splash panel
21
Solution
Solution