Hoshizaki CUBELET ICEMAKER/DISPENSER DCM-750BAH-OS - Manual (Page 45)

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