Service Manual

3
CONTENTS
Important Safety Information ................................................................................................. 4
I. Construction and Water/Refrigeration Circuit Diagram ....................................................... 7
A. Construction .................................................................................................................. 7
B. Water/Refrigeration Circuit Diagram .............................................................................. 8
II. Sequence of Operation and Service Diagnosis ................................................................. 9
A. Sequence of Operation Flow Chart ............................................................................... 9
B. Service Diagnosis ....................................................................................................... 10
C. Bin Control Check ....................................................................................................... 14
D. Thermistor Check ........................................................................................................ 15
E. Diagnostic Tables ........................................................................................................ 16
III. Control Board .................................................................................................................. 19
A. Control Board Layout .................................................................................................. 20
B. Settings and Adjustments ............................................................................................ 21
C. LED Lights .................................................................................................................. 22
D. Control Switch ............................................................................................................. 22
IV. Refrigeration Circuit and Component Service Information.............................................. 23
A. Refrigeration Circuit Service Information .................................................................... 23
B. Component Service Information .................................................................................. 25
V. Maintenance .................................................................................................................... 26
A. Maintenance Schedule ................................................................................................ 26
B. Optional Drain Pump HS-5061 .................................................................................... 27
VI. Preparing the Icemaker for Periods of Non-Use ............................................................. 28
VII. Disposal ......................................................................................................................... 29
VIII. Technical Information .................................................................................................... 30
A. Specication and Performance Data ........................................................................... 30
1. AM-50BAJ(-DS) ..................................................................................................... 30
2. AM-50BAJ-AD(ADDS) ........................................................................................... 31
B. Wiring Diagrams .......................................................................................................... 32
1. AM-50BAJ(-DS)(-AD)(-ADDS) ............................................................................... 32
2. HS-5061 Optional Drain Pump .............................................................................. 33
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.