Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water Refrigeration Circuit Diagrams
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- A. Control Board Layout
- B. LED Lights and Audible Alarm Safeties
- C. Settings and Adjustments
- 1. Default Dip Switch Settings
- 2. Bin Control Shutdown Delay (Infrared Sensor) (S1 dip switch 1, 2, 3)
- 3. Drain Frequency Control (S1 dip switch 4)
- 4. Continuous Dispensing Timer (S1 dip switch 5 & 6)
- 5. Bin Control Selector (S1 dip switch 7)
- 7. Bin Control Shutdown Delay (S1 dip switch 9)
- 8. Audible Alarm Silencer (S1 Dip Switch 10)
- D. Switches
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
20
b) Ice Dispense
1. Push Button Model
CB K7 connector pins #2 (Y) and #3 (W/BK): "ICE" and "AM" LEDs are on: Before
engaging the ice dispense switch, check for the correct VDC from the locations given
in the "Disengaged" column in the table below. If the VDC is different than in the
table, replace CB. If the VDC is correct, engage the ice dispense switch. "ICE" LED
turns on. If not, check the ice dispense switch continuity when engaged (closed).
If the ice dispense switch is open when engaged, replace. If the VDC matches the
"Engaged" column below and the "ICE" LED does not turn on, replace CB.
5VDC CB K7 Connector
Component Pin # (Wire Color) To CB VDC Ground Disengaged Engaged
5VDC Power Supply #3 (W/BK)
To
Red K4 pin #1
(closest to CB
black K3)
5VDC 5VDC
Ice Dispense Signal #2 (Y) 0VDC 5VDC
Fig. 5
Multimeter
5VDC
Control Board K7 Connector
Ice Dispense (W/BK)
(5VDC power supply)
Ice Dispense (Y)
(ice dispense signal)
Red test lead
to CB red
K4 pin #1 (pin
closest to CB
black K3)
Red Test Lead
Black Test Lead