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Hoshizaki Ismaskin DKM-500BAJ

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Sida 1/48
Models
DKM-500BAJ
DKM-500BWJ
Crescent Cube Icemaker / Dispenser
Service Manual
Number: 73212
Issued: 6-16-2017
hoshizakiamerica.com
2
WARNING
Only qualied service technicians should install and service the appliance. To
obtain the name and phone number of your local Hoshizaki Certied 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. 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 qualied service technicians in the
service 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
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
CONTENTS
Important Safety Information 5 .................................................................................................
I. Construction and Water/Refrigeration Circuit Diagram 7 .......................................................
A. Construction 7 ..................................................................................................................
1. Air-Cooled Models (BAJ) 7 ..........................................................................................
2. Water-Cooled Models (BWJ) 8 ...................................................................................
B. Water/Refrigeration Circuit Diagram 9 ..............................................................................
1. Air-Cooled Models (BAJ) 9 ..........................................................................................
2. Water-Cooled Models (BWJ) ................................................................................. 10
II. Sequence of Operation and Service Diagnosis ................................................................11
A. Sequence of Operation Flow Chart ..............................................................................11
B. Service Diagnosis ....................................................................................................... 12
C. Control Board Check ................................................................................................... 19
D. Bin Control Check 20 .......................................................................................................
E. Switches 22 ......................................................................................................................
1. Control Switch 22 ........................................................................................................
2. Service Switch 22 .......................................................................................................
F. Float Switch Check and Cleaning 23 ................................................................................
1. Float Switch Check 23 ................................................................................................
2. Float Switch Cleaning 24 ............................................................................................
G. Thermistor Check ........................................................................................................ 25
H. Diagnostic Tables ........................................................................................................ 26
III. Controls and Adjustments 30 ...............................................................................................
A. Control Board Layout 31 ..................................................................................................
B. LED Lights and Audible Alarm Safeties 32 .......................................................................
C. Settings and Adjustments 33 ............................................................................................
1. Default Dip Switch Settings 33 ....................................................................................
2. Harvest Timer (S4 dip switch 1 & 2) 33 ......................................................................
3. Pump-Out Timer (S4 dip switch 3 & 4) 34 ..................................................................
4. Pump-Out Frequency Control (S4 dip switch 5) 34 .....................................................
5. Harvest Pump Time (S4 dip switch 6) 35 ....................................................................
6. Harvest Pump Timer Operation (S4 dip switch 7) 35 ..................................................
7. Factory Use (S4 dip switch 8)................................................................................. 36
8. Freeze Timer (S4 dip switch 9 & 10) 36 ......................................................................
9. Float Switch Selector (S5 dip switch 1) 36 .................................................................
10. Rell Counter (S5 dip switch 2 and 3) 36 ..................................................................
11. Minimum Harvest Time (S5 dip switch 4) 37 .............................................................
12. Anti-Slush (S5 dip switch 5) 37 .................................................................................
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.

Produktspecifikationer

Varumärke: Hoshizaki
Kategori: Ismaskin
Modell: DKM-500BAJ

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