Hoshizaki DCM-500BWH-OS service manual Diagnostic Charts, No Ice Production

Page 38

C. Diagnostic Charts

1. No Ice Production

Problem

Possible Cause

 

Remedy

 

 

 

 

[1] The icemaker will not

a) Power Supply

1. Off, blown fuse, or

1. Turn on, replace, or reset.

start. (Fill Cycle)

 

 

tripped breaker.

 

 

 

 

 

 

 

 

 

2. Loose connection.

2. Tighten.

 

 

 

3. Bad contacts.

3. Check for continuity and

 

 

 

 

replace.

 

 

 

 

 

 

 

 

4. Not within

4. Refer to nameplate and

 

 

 

specifications.

correct.

 

 

 

 

 

b) Water Supply

1. Water supply off or

1. Check and get

 

 

 

pressure too low.

recommended pressure.

 

 

 

 

 

c) Power Switch

1. "OFF" position.

1. Move to "ON" position.

 

 

(Control Box)

 

 

 

 

2. Bad contacts.

2. Check for continuity and

 

 

 

 

 

 

 

replace.

 

d) Door Switch

1. Door switch not

1. Engage door switch.

 

 

 

engaged.

 

 

 

 

 

 

 

 

 

2. Bad contacts.

2. Check for continuity and

 

 

 

 

replace.

 

 

 

 

 

e) Power Protect Relay

1. Voltage not within

1. Refer to nameplate and

 

 

 

specifications.

correct.

 

 

 

 

 

 

 

 

2. Bad contacts.

2. Check for continuity and

 

 

 

 

replace.

 

f)

Transformer

1. Coil winding open.

1. Replace.

 

 

 

 

 

g) Fuses (2)

1. Blown.

1. Check for short circuit and

 

 

 

 

replace.

 

 

 

 

 

h) Control Switch

1. "OFF" or "DRAIN"

1. Move to "ICE" position.

 

 

 

position.

 

 

 

 

 

 

 

 

 

2. Bad contacts.

2. Check for continuity and

 

 

 

 

replace.

 

i)

Water Control Relay

1. Bad contacts.

1. Check for continuity and

 

 

 

 

replace.

 

 

 

 

 

 

 

 

2. Coil winding open.

2. Replace.

 

 

 

 

 

 

j)

Inlet Water Valve

1. Mesh filter or orifice

1. Clean.

 

 

 

clogged.

 

 

 

 

 

 

 

 

 

2. Coil winding open.

2. Replace.

 

 

 

3. Wiring to inlet water

3. Check for loose or open

 

 

 

valve.

connection. Repair or

 

 

 

 

replace.

 

 

 

 

 

k) Float Switch

1. Bad contacts.

1. Check for continuity and

 

 

 

 

replace.

 

 

 

 

 

 

 

 

2. Float does not move

2. Clean or replace.

 

 

 

freely.

 

 

 

 

 

 

 

l)

Bin Control

1. Open.

1. Bin full, check for

 

 

 

 

continuity on proximity

 

 

 

 

switch.

 

 

 

2. Actuator sticking.

2. Adjust or replace.

 

 

 

 

 

 

 

 

3. Proximity switch open.

3. Replace.

 

 

 

 

 

38

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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 5c. Water Dispensing 5a. Ice Dispensing Continuous Mode5b. Ice Dispensing Portion Mode 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 ValveDispensing or Agitating Motor Removal and Replacement of Dispensing SystemDispensing Auger and Agitator 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.

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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.

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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.