Table Of Contents - Hoshizaki IM-500SAB Service Manual

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.
Important Safety Information ................................................................................................. 4
I. Construction and Water/Refrigeration Circuit Diagram ....................................................... 6
A. Construction .................................................................................................................. 6
B. Water/Refrigeration Circuit Diagram .............................................................................. 7
II. Sequence of Operation and Service Diagnosis ................................................................. 8
A. Sequence of Operation Flow Chart ............................................................................... 8
B. Service Diagnosis ......................................................................................................... 9
C. Control Board Check ................................................................................................... 14
D. Bin Control Check ....................................................................................................... 15
E. Evaporator Thermistor Check ...................................................................................... 17
F. Control Switch .............................................................................................................. 17
G. Diagnosis Table ........................................................................................................... 18
H. Freeze-Up Check List ................................................................................................. 21
III. Controls and Adjustments ............................................................................................... 22
A. Control Board .............................................................................................................. 22
B. Control Board Buttons ................................................................................................. 24
C. Control Board Settings ................................................................................................ 25
D. Control Board Information Display .............................................................................. 28
E. Control Board Model Code Setting .............................................................................. 30
F. Error Codes .................................................................................................................. 31
G. Quick Adjustments ...................................................................................................... 33
IV. Refrigeration Circuit and Component Service Information.............................................. 35
A. Refrigeration Circuit Service Information .................................................................... 35
B. Component Service Information .................................................................................. 37
V. Maintenance .................................................................................................................... 38
VI. Preparing the Icemaker for Periods of Non-Use ............................................................. 39
VII. Disposal ......................................................................................................................... 40
VIII. Technical Information .................................................................................................... 41
A. Specification and Performance Data Sheets ............................................................... 41
B. Wiring Diagram ............................................................................................................ 42
IMPORTANT
CONTENTS
3