Follett 25 Installation, Operation And Service Manual page 21

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
Lens/sensor troubleshooting
1. Turn dispenser power switch off.
2. Remove splash panel.
3. Disconnect wires from output terminal(s) (WTR, WM) on board.
4. Gently remove appropriate sensor/mounting block assembly from panel by moving block sideways until edge of block
clears retaining tab of panel.
5. Inspect lens and sensor assembly for foreign material and remove using non-abrasive cleaner.
6. Turn dispenser power on and test sensor by moving hands through activation area (no closer than 3/16"/
5 mm in front of sensor).
7. If LED on board turns on and off, sensor is working properly and dispenser may be reassembled. If LED does not
come on, switch sensor leads on board and retest. If the opposite LED comes on, board is defective and must be
replaced. If LED does not come on, sensor is defective and must be replaced.
25CT/HT/CR/HR/FB and 50CT/HT/CR/HR/FB
LED Status
PWR CLN ICE/WTR
OFF OFF
ON ON
ON OFF
ON OFF
LED Status
PWR CLN
ON OFF
ON OFF
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
Solution
Solution
21