3
CONTENTS
Important Safety Information ................................................................................................. 5
I. Construction and Water/Refrigeration Circuit Diagrams ..................................................... 7
1. Icemaker ................................................................................................................. 7
2. Condensing Unit ..................................................................................................... 8
1. Operation Flow Chart ............................................................................................. 10
2. Shutdown Flow Chart .............................................................................................11
3. Freeze-Time Correction Flow Chart (CB: 2A7664-02) ........................................... 12
B. Service Diagnosis ....................................................................................................... 13
C. Freeze-Time Correction Cycle (90 min.) (CB: 2A7664-02) .......................................... 21
D. Control Board Check ................................................................................................... 23
E. Bin Control Check ....................................................................................................... 25
F. Float Switch Check and Cleaning ................................................................................ 26
G. Thermistor Check ........................................................................................................ 28
H. Switches ...................................................................................................................... 29
I. Diagnostic Tables .......................................................................................................... 30
J. Freeze-Up Check List .................................................................................................. 34
A. Control Board Layout .................................................................................................. 36
B. LED Lights and Audible Alarm Safeties ....................................................................... 37
C. Settings and Adjustments ............................................................................................ 38
1. Default Dip Switch Settings .................................................................................... 38
2. Harvest Timer (S4 dip switch 1 & 2) ...................................................................... 39
3. Pump-Out Timer/Harvest Time During Pump-Out (S4 dip switch 3 & 4) ............... 39
4. Pump-Out Frequency Control (S4 dip switch 5) ..................................................... 40
5. Harvest Pump Time (Harvest Assist Duration) (S4 dip switch 6) ........................... 40
6. Harvest Pump Time (Harvest Assist)/Freeze-Time Correction (S4 dip switch 7) ... 41
7. Factory Use (S4 dip switch 8)................................................................................. 41
8. Freeze Timer (S4 dip switch 9 & 10) ...................................................................... 42
9. Float Switch Control Selector for Refill (S5 dip switch 1) ....................................... 42
10. Refill Counter (S5 dip switch 2 and 3) .................................................................. 43
11. Minimum Harvest Time (S5 dip switch 4) ............................................................. 43
12. Anti-Slush (S5 dip switch 5) ................................................................................. 43
IMPORTANT
This manual should be read carefully before the appliance is serviced. Read
the warnings and guidelines contained in this manual carefully as they provide
essential information for the continued safe use, service, and maintenance of the
appliance. Retain this manual for any further reference that may be necessary.
