45
Problem Possible Cause Remedy
[] No water dispensed. a)OS Sensor .Dirty sensor. .Clean.
.Defective. . See chart 5c below.
b)Dispense Mode Switch .Wrong setting. .Move to desired setting.
.Bad contacts. .Check for continuity and
replace.
3.Loose connection. 3.Tighten.
c)Control Board .Loose connection. .Tighten.
.
Defective. .See "II.D.4. Control
Board Check Procedure"
and chart 5c below.
5a. Ice Dispensing "Continuous" Mode
Component Control Board Sensor Control Board /Other Sensor On Off
Solenoid K Pin 6 LBU - To Neutral/GND - 0VAC 0VAC
Sensor K5 Pin 4 W/0 R To K5 Pin 5 Y WH 5VDC 0VDC
K5 Pin 6 W/BR BK 5VDC 5VDC
5b. Ice Dispensing "Portion" Mode
Component Control Board Sensor Control Board /Other Sensor On Off
Solenoid K Pin 6 LBU - To Neutral/GND - 0VAC 0VAC
Sensor K5 Pin  W/R R To K5 Pin  W/BU WH 5VDC 0VDC
K5 Pin 3 W/BK BK 5VDC 5VDC
5c. Water Dispensing
Component Control Board Control Board /Other On Off
Solenoid K Pin 8 DBU To K4 Pin  (LBU) 4VAC 0VAC
Sensor K5 Pin 7 R To K5 Pin 8 WH 5VDC 0VDC
K5 Pin 9 BK 5VDC 5VDC