Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki M029-897 service manual HoshizakiHoshizaki America, Inc

Models: M029-897

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HoshizakiHoshizaki America, Inc.

Stackable Square Cuber

Model

IM-500SAA

“A Superior Degree

of Reliability”

www.hoshizaki.com

SERVICE MANUAL

Number: M029-897

Issued: 2-8-2013

Revised: 5-19-2014

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Hoshizaki M029-897 service manual HoshizakiHoshizaki America, Inc, Stackable Square Cuber Model IM-500SAA

Contents

Stackable Square Cuber Model IM-500SAA HoshizakiHoshizaki America, IncPhone 1-800-233-1940 770 Fax Complete and detailed explanation of the problem618 Highway 74 South Peachtree City, GA Attn Hoshizaki Technical Support DepartmentCONTENTS serious injury Important Safety InformationIndicates a situation which could result in damage to the appliance or propertyWARNING, continued A. Construction I. Construction and Water/Refrigeration Circuit Diagram1. Air-Cooled Model SAA 1. Air-Cooled Model SAA B. Water/Refrigeration Circuit DiagramWater Tank A. Sequence of Operation Flow Chart II. Sequence of Operation and Service DiagnosisShutdown and Restart Sequence Flow Chart IM Control Board1. Startup Cycle B. Sequence of Operation2. Harvest Cycle 3. Freeze Cycle4. Shutdown No Ice Production - Possible Cause C. Service Diagnosis TableLong Harvest Cycle Low Ice Production - Possible CauseLong Freeze Cycle Slab Does Not Break Into Separate Cubes - Possible CauseCloudy Cubes - Possible Cause Large-Hole Cubes - Possible Cause Also see III.H.1. Dimple Diameter1. Bin Control Check D. Bin Control Check and Cleaning2. Bin Control Cleaning E. Evaporator Thermistor Check B. Control Board III. Controls and Adjustments A. Control SwitchIM Control Board 1. Control Board LayoutPart Number P01873-01 Version 1.3A or Later 2. SERVICE 1 and SERVICE 2 Buttons 1. RESET ButtonC. Control Buttons D. Control Board Settings DO NOT ADJUST Control Board CB Setting MenuDO NOT ADJUST DO NOT ADJUSTDO NOT ADJUST Control Board CB Setting MenuDO NOT ADJUST IM-500SAA2. Use the SERVICE 1 and SERVICE 2 buttons to move through the list E. Control Board Information Display3. Press the RESET button to view the item’s value 4. Press the RESET button to return to listexample, 655,350 cycles Freeze cycles interrupted by bin control shutdown1.0A, displays as follows 1. Control Board Replacement F. Control Board Model Code Setting2. Checking or Changing the Control Board Model Code Page G. Error Codes 1. Dimple Diameter H. Quick Adjustmentsa To increase dimple diameter b To decrease dimple diameterNormal Position 2. Ice ClarityDrain Position A. Refrigeration Circuit Service Information IV. Refrigeration Circuit and Component Service Information1. Refrigerant Recovery 3. Evacuation and Recharge R-404A 2. BrazingB. Component Service Information Assembly Refer to illustration for assemblyJ. Pump Motor Assembly Refer to illustration for assemblyV. Maintenance 1. Remove the water from the icemaker water supply line VI. Preparing the Icemaker for Periods of Non-Use2. Drain the water tank VII. Disposal VIII. Technical Information A. Specification Data1. IM-500SAA 1. IM-500SAA B. Performance Data1. IM-500SAA C. Wiring Diagram