Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water/Refrigeration Circuit Diagram
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- A. Control Board
- B. Controls and Adjustments
- 1. Default Dip Switch Settings
- 2. BC1 (Infrared Sensor) Shutdown Delay (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)
- 6. BC2 (Mechanical Backup) Shutdown Delay (S1 dip switch 8)
- 7. Shutdown Sequence (S1 Dip Switch 9)
- 8. Alarm Selection (S1 Dip Switch 10)
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Disposal
- VII. Technical Information
13
2. Shutdown Flow Chart
3. Icemaker Off
1. BC1 Shutdown (infrared sensor)
1. Bin Full
BC1 activated
PDS de-energized
(CLPS opens)
Comp de-energized
FMR de-energized
GM continues
EH continues
GM de-energized
EH de-energized
2. Ice Purge Cycle
BC1 Yellow LED (îashing or steady)
BC1 delay determined by CB S1 dip
switch 1, 2, 3
4. Icemaker Restart
5 min.
Note: If BC1 fails to shutdown the icemaker,
BC2 opens and a 9-beep alarm sounds.
See "II.D. Bin Control Check."
BC1 Green LED on
BC1 Yellow LED off
BC1 Green LED on
BC1 Yellow LED off
BC1 de-activated
Control Board Sequence of Operation Flow Chart - Shutdown
1. Bin Full
1 to 10 sec.
All Components
de-energized
9-beep alarm sounds
BC2 closed
(mechanical bin control disengaged)
BC2
to "2. Ice Purge Cycle" in Icemaking
and Drain Cycle Chart
BC2 open
mechanical bin
control engaged
2. Icemaker Off 3. Icemaker Restart
Ice level lowered
2. BC2 Shutdown (mechanical backup)
Legend:
BC1-bin control 1 (infrared sensor)
BC2-bin control 2 (mechanical)
Comp-compressor
FMR-fan motor-remote
GM-gear motor
LLV-liquid line valve (MLJ)
SLV-suction line valve (MLJ)
Note: When BC2 is activated, a 9-beep
alarm sounds. See "II.D. Bin Control
Check."
Immediate
to "2. Ice Purge Cycle"
in Icemaking and Drain
Cycle Chart
BC1 activated