Hoshizaki DCM-751BWH Bruksanvisning
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Hoshizaki
“A Superior Deg ere
of Reliability”
www.hoshizaki.com
Models
DCM-751BAH(-OS)
DCM-751BWH(-OS)
Cubelet Icemaker/Dispenser
Hoshizaki America, Inc.
SERVICE MANUAL
Number: 73184
Issued: 8-31-2012
Revised: 9-24-2014
2
WARNING
Only qualied service technicians should install and service the appliance. To
obtain the name and phone number of your local Hoshizaki Certied Service
Representative, visit www.hoshizaki.com. No service should be undertaken until
the technician has thoroughly read this Service Manual. Failure to service and
maintain the appliance in accordance with this manual will adversely affect safety,
performance, component life, and warranty coverage and may result in costly water
damage. Proper installation is the responsibility of the installer. Product failure or
property damage due to improper installation is not covered under warranty.
Hoshizaki provides this manual primarily to assist qualied service technicians in the
service and maintenance of the appliance.
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call, send an e-mail message, or write to the Hoshizaki Technical
Support Department for assistance.
Phone: 1-800-233-1940; (770) 487-2331
Fax: 1-800-843-1056; (770) 487-3360
E-mail: techsupport@hoshizaki.com
HOSHIZAKI AMERICA, INC.
618 Highway 74 South
Peachtree City, GA 30269
Attn: Hoshizaki Technical Support Department
Web Site: www.hoshizaki.com
NOTE: To expedite assistance, all correspondence/communication MUST include the
following information:
• Model Number ________________________
• Serial Number ________________________
• Complete and detailed explanation of the problem.
3
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 5 .................................................................................................
I. Construction and Water/Refrigeration Circuit Diagrams 7 .....................................................
A. Construction 7 ..................................................................................................................
1. DCM-751BAH(-OS) 7 ..................................................................................................
2. DCM-751BWH(-OS) 8 ................................................................................................
3. Ice Making Unit 9 ........................................................................................................
B. Water/Refrigeration Circuit Diagrams .......................................................................... 10
1. DCM-751BAH(-OS) ................................................................................................ 10
2. DCM-751BWH(-OS) ..............................................................................................11
II. Sequence of Operation and Service Diagnosis ............................................................... 12
A. Sequence of Operation Flow Chart ............................................................................. 12
B. Service Diagnosis ....................................................................................................... 13
C. Control Board Check ................................................................................................... 18
D. Bin Control Check 26 .......................................................................................................
E. Float Switch Check and Cleaning 27 ...............................................................................
F. Diagnostic Tables ......................................................................................................... 29
1. No Ice Production 29 ...................................................................................................
2. Ice/Water Dispensing 31 .............................................................................................
III. Controls and Adjustments 32 ...............................................................................................
A. Control Board Layout 33 ..................................................................................................
1. DCM-751B_H 33 .........................................................................................................
2. DCM-751B_H-OS 34 ..................................................................................................
B. LED Lights and Audible Alarm Safeties 35 .......................................................................
C. Settings and Adjustments 36 ............................................................................................
1. Default Dip Switch Settings 36 ....................................................................................
2. Infrared Sensor Shutdown Delay (S1 dip switch 1, 2, 3) 36 .......................................
3. Drain Frequency Control (S1 dip switch 4) 36 ............................................................
4. Continuous Dispensing Timer (S1 dip switch 5 & 6) 37 ..............................................
5. Bin Control Selector (S1 dip switch 7) 37 ...................................................................
6. Bin Control Shutdown Delay (S1 dip switch 8) 37 ......................................................
7. Factory Use (S1 Dip Switch 9 & 10) 37 .......................................................................
D. Power Switch, Control Switch, and Dispense Mode Switch 38 .......................................
IV. Removal and Replacement of Components 40 ...................................................................
A. Service for Refrigerant Lines 40 .......................................................................................
1. Refrigerant Recovery 41 .............................................................................................
2. Brazing 41 ..................................................................................................................
3. Evacuation and Recharge (R-404A) 41 ......................................................................
Produktspecifikationer
Varumärke: | Hoshizaki |
Kategori: | Ismaskin |
Modell: | DCM-751BWH |
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