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Hoshizaki CUBELET ICEMAKER/DISPENSER DCM-750BAH-OS User Manual

Page 45

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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