Hoshizaki DCM-500BWH-OS service manual Other

Page 42

3. Other

Problem

Possible Cause

 

Remedy

 

 

 

 

[1] Icemaker will not stop

a)Bin Control

1. Actuator sticking.

1. Adjust or replace.

when bin is filled with

 

 

 

 

2. Proximity switch

2. Replace.

ice.

 

 

closed.

 

 

 

 

[2] Abnormal noise.

a)Fan Motor (except

1. Bearing worn out.

1. Replace.

 

water-cooled model)

 

 

 

2. Fan blade deformed.

2. Replace fan blade.

 

 

 

 

 

 

 

 

3. Fan blade does not

3. Replace.

 

 

move freely.

 

 

 

 

 

 

b)Compressor

1. Bearings worn out, or

1. Replace.

 

 

cylinder valve broken.

 

 

 

2. Mounting pad out of

2. Reinstall.

 

 

position.

 

 

 

 

 

 

c) Refrigerant Lines

1. Rub or touch other

1. Reposition.

 

 

lines or surfaces.

 

 

 

 

 

 

d)Auger

1. Bearings or auger

1. Replace bearings or

 

 

worn out.

auger. See "V.F. Removal

 

 

 

and Replacement of

 

 

 

Evaporator Assembly

 

 

 

Components."

 

 

 

 

 

e)Gear Motor

1. Bearing or gear worn

1. Replace.

 

 

out / damaged.

 

 

f) Evaporator

1. Scale on inside wall

1. Use "SCALE AWAY" or

 

 

of evaporator freezing

"LIME-A-WAY" solution to

 

 

cylinder.

clean periodically.

 

 

 

See "VI. A. Cleaning and

 

 

 

Sanitizing Instructions." If

 

 

 

the water is found hard by

 

 

 

testing, install a softener.

 

 

 

 

 

 

2. Evaporator defective.

2. Replace.

 

 

 

 

[3] Overflow from

a)Water Supply

1. Water pressure too

1. Install a pressure reducing

reservoir (water does

 

high.

valve.

not stop).

 

 

 

b)Inlet Water Valve

1. Diaphragm does not

1. Clean or replace.

 

 

 

close.

 

 

 

 

 

 

c) Float Switch

1. Bad contacts.

1. Check for continuity and

 

 

 

replace.

 

d)Water Control Relay

1. Bad contacts.

1. Replace

 

 

 

 

[4] Gear motor overload

a)Power Supply

1. Not within

1. Refer to nameplate and

protector operates

 

specifications.

correct.

frequently or fuse

 

 

 

b)Evaporator Assembly

1. Bearings or auger

1. Replace bearings or

blows frequently.

 

worn out.

auger. See "V.F.1. Upper

 

 

 

 

 

Bearing Wear Check."

 

 

 

 

 

c) Bin Control

1. Bad contacts.

1. Check for continuity and

 

 

 

replace.

 

 

2. Actuator does not

2. Clean actuator or replace

 

 

move freely.

bin control assembly.

 

 

 

 

 

d)Safety Switch and

1. Switch misaligned,

1. Check and correct or

 

Relay

contacts bad.

replace.

 

 

 

 

 

e)Control Board

1. Erratic operation of

1. See "II.D.4. Control Board

 

 

gear motor relay.

Check Procedure."

 

 

 

 

42

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Contents DCM-500BAH DCM-500BAH-OS DCM-500BWH DCM-500BWH-OS Hoshizaki AMERICA, INC Contents Page Specifications Icemaker DCM-500BAHDCM-500BAH-OS Water TEMP. FDCM-500BWH Water TEMP. FDCM-500BWH-OS Potable Water Water Cooled CondenserII. General Information Construction DCM-500BWH-OS Ice Making Unit DCM-500BAH-OS, DCM-500BWH-OSSequence of Operation Startup Control Board Control Board Layout DCM-500BAH, DCM-500BWH Control BoardPart Number 2A2649-01 Features LED LightsPower Supply Controls and Adjustments Portion ControlControl Board Check Procedure Ice Making ComponentsDispensing Components DCM-500BAH, DCM-500BWH Float Switch DCM-500BAH-OS DCM-500BWH-OS Wiring Diagrams Wire Color CodeDCM-500BAH-OS, DCM-500BWH-OS Sequence of Electrical Circuit Ice Making DCM-500BWH-OSIce Purge Cycle Freeze Cycle Hour Drain Cycle / Drain Switch Shutdown Low Water Safety High Pressure Switch Sequence of Electrical Circuit Dispensing Continuous DispensePortion Dispense Performance Data ICE ProductionTotal IV. Service Diagnosis Diagnostic Procedure Ice Production Check Diagnostic Charts No Ice ProductionProblem Possible Cause Remedy Problem Possible Cause Remedy Low Ice Production Other Dispensing Opti Serve OS Sensors 5a. Ice Dispensing Continuous Mode 5b. Ice Dispensing Portion Mode5c. Water Dispensing Refrigerant Recovery Removal and Replacement of ComponentsService for Refrigerant Lines BrazingEvacuation and Recharge R-404A Removal and Replacement of Compressor Removal and Replacement of Expansion Valve Removal and Replacement of Evaporator Assembly Components Removal and Replacement of Extruding Head Upper Bearing Wear CheckRemoval and Replacement of Auger Removal and Replacement of EvaporatorPage 5b. Lower Housing Removal and Replacement of Gear Motor Page Removal and Replacement of Water-Cooled Condenser Page Adjustment of Water Regulating Valve Water-Cooled Model Only Removal and Replacement of Fan MotorRemoval and Replacement of Inlet or Dispensing Water Valve Removal and Replacement of Drain ValveRemoval and Replacement of Dispensing System Dispensing Auger and AgitatorDispensing or Agitating Motor Page VI. Cleaning and Maintenance Cleaning and Sanitizing InstructionsCleaning Solution Water SystemSanitizing Solution Dispensing ComponentsBin Control Bracket Snap Pin Maintenance Frequency Area TaskPreparing the Icemaker for Long Storage
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DCM-500BWH-OS specifications

The Hoshizaki DCM-500BWH-OS, DCM-500BWH, DCM-500BAH, and DCM-500BAH-OS are advanced ice makers designed to meet the needs of busy commercial environments. Hoshizaki is a renowned manufacturer known for producing high-quality refrigeration and foodservice equipment, and their DCM series of ice makers exemplifies this commitment to excellence.

One of the main features of the DCM-500 series is its ability to produce a significant amount of ice, ideally suited for restaurants, bars, and hotels. With a production capacity of up to 500 pounds of nugget ice per day, these units provide an efficient solution for establishments that require a steady supply of ice.

The nugget ice produced by the DCM-500 series is not only soft and chewable but also retains the cold temperature longer, making it perfect for beverages. This appealing characteristic of nugget ice caters to growing customer preferences for premium ice options.

These models also incorporate advanced ice-making technology, ensuring consistent quality. The DCM-500BWH-OS and DCM-500BAH-OS variants feature a self-contained design that makes installation simple and efficient, providing enhanced portability that makes them versatile for different locations within a commercial space.

The DCM-500BWH and DCM-500BAH models are equipped with features like a built-in ice bin that allows for storage convenience. The ice bins have a substantial holding capacity, reducing the frequency of refills and improving overall operation efficiency.

Additionally, the DCM-500 series is designed with energy efficiency in mind. Integrated with modern refrigeration systems, these ice makers comply with energy-saving standards, helping to reduce operational costs. User-friendly controls allow for easy adjustment and monitoring, ensuring that operators can manage their ice production without hassle.

Moreover, the robust construction materials used in these models increase durability, making them suitable for high-demand environments. Features such as easy-to-clean surfaces and self-diagnostic systems further optimize maintenance, ensuring prolonged performance without significant downtime.

Overall, the Hoshizaki DCM-500BWH-OS, DCM-500BWH, DCM-500BAH, and DCM-500BAH-OS ice makers are excellent choices for businesses seeking reliable and high-capacity ice production. Their advanced features, energy efficiency, and user-friendly operation make them a valuable addition to any commercial kitchen or bar setup.
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