Hoshizaki M029-897 service manual Contents

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.
CONTENTS
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. Sequence of Operation	9
1. Startup Cycle	9
2. Harvest Cycle	9
3. Freeze Cycle	9
4. Shutdown	10
C. Service Diagnosis Table	11
D. Bin Control Check and Cleaning	14
1. Bin Control Check	14
2. Bin Control Cleaning	15
E. Evaporator Thermistor Check	16
III. Controls and Adjustments	17
A. Control Switch	17
B. Control Board	17
1. Control Board Layout	18
C. Control Buttons	19
D. Control Board Settings	20
E. Control Board Information Display	23
F. Control Board Model Code Setting	25
1. Control Board Replacement	25
2. Checking or Changing the Control Board Model Code	25
G. Error Codes	27
H. Quick Adjustments	28
1. Dimple Diameter	28
2. Ice Clarity	29
IV. Refrigeration Circuit and Component Service Information	30
A. Refrigeration Circuit Service Information	30
B. Component Service Information	32
V. Maintenance	34
VI. Preparing the Icemaker for Periods of Non-Use	35
VII. Disposal	36
VIII. Technical Information	37
A. Specification Data	37
B. Performance Data	38
C. Wiring Diagram	39

3