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Hoshizaki KM-650MAH Service Manual

Hoshizaki KM-650MAH
94 pages
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KM-320MAH, MWH
KM-340MAH, MWH
KM-515MAH, MWH, MRH
KM-600MAH
KM-650MAH, MWH, MRH
KM-901MAH, MWH, MRH/3
KM-1340MAH, MWH, MRH
KM-1601MRH/3
Hoshizaki
“A Superior Degree
of Reliability”
www.hoshizaki.com
Models
Modular Crescent Cuber
Hoshizaki America, Inc.
Number: 73196
Issued: 4-29-2013
Revised: 8-4-2015
SERVICE MANUAL

Table of Contents

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Hoshizaki KM-650MAH Specifications

General IconGeneral
BrandHoshizaki
ModelKM-650MAH
CategoryIce Maker
LanguageEnglish

Summary

Important Safety Information

Appliance Construction and Circuit Diagrams

Appliance Construction Overview

Details the physical components and layout of the appliance.

Water and Refrigeration Circuit Diagrams

Illustrates the water flow and refrigeration system paths.

Operation Sequence and Service Diagnosis

Operation Sequence Flow Charts

Step-by-step operational flow charts for icemaking cycles.

Service Diagnosis Procedures

Guides for troubleshooting electrical systems and components.

Control Board Diagnostics

Procedures to test and verify control board functionality.

Bin Control System Checks

Checks for thermostatic and mechanical bin control operation.

Float Switch System Checks

Procedures for checking and cleaning the float switch.

Thermistor System Checks

Steps to test the thermistor for accurate temperature readings.

Diagnostic Tables for Troubleshooting

Tables listing possible causes for common ice production issues.

Controls, Adjustments, and Settings

Control Board Layout Identification

Diagrams identifying components and connectors on control boards.

LED Indicators and Audible Alarms

Explains the function of control board LEDs and alarm signals.

Dip Switch and Timer Settings

Guides for configuring dip switches and timers for various functions.

Refrigeration Circuit and Component Service

Refrigeration Circuit Service Guidelines

Guidelines for working with the refrigerant system and leak detection.

Component Replacement Notes

Notes for proper replacement of key components like compressors and valves.

Water Regulating Valve Adjustment

Procedure for adjusting the water regulating valve on water-cooled models.

Routine Maintenance Schedule

Appliance Storage and Non-Use Preparation

Product Disposal Procedures

Technical Specifications and Diagrams

Specification and Performance Data Sheets

Detailed performance specs and data for various models.

Electrical Wiring Diagrams

Electrical schematics showing component connections for different models.

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