Hoshizaki KM-260BWH, KM-260BAH, KM-201BAH, KM-201BWH service manual Problem Possible Cause Remedy

Page 46

PROBLEM

POSSIBLE CAUSE

 

REMEDY

 

 

 

 

 

 

[4] Water

a) Inlet Water Valve

1.

Diaphragm does not

1.

Check for water leaks

continues to

 

 

close.

 

with icemaker off.

be supplied in

 

 

 

 

Replace if necessary.

freeze cycle.

b) Control Board

1.

Defective.

1.

See “II. 3. [d] CONTROL

 

 

 

 

 

BOARD CHECK

 

 

 

 

 

PROCEDURE”.

[5] No water

a) Water Supply Line

1.

Water pressure too low

1.

Check and get

comes from

 

 

and water level in water

 

recommended pressure.

Spray Tubes.

 

 

tank too low.

 

 

Water Pump

b) Inlet Water Valve

1.

Dirty mesh filter or

1.

Clean.

will not start, or

 

 

orifice and water level in

 

 

freeze cycle

 

 

water tank too low.

 

 

time is too

c) Water System

1.

Water leaks.

1.

Check connections for

short.

 

 

 

 

water leaks, and replace.

 

 

2.

Clogged.

2.

Clean.

 

d) Pump Motor

1.

Motor winding opened.

1.

Replace.

 

 

2.

Bearing worn out.

2.

Replace.

 

 

3.

Wiring to pump motor.

3.

Check for loose

 

 

 

 

 

connection or open, and

 

 

 

 

 

replace.

 

 

4.

Defective capacitor.

4.

Replace.

 

 

5.

Defective or bound

5.

Replace and clean.

 

 

 

impeller.

 

 

 

e) Control Board

1.

Defective.

1.

See “II. 3. [d] CONTROL

 

 

 

 

 

BOARD CHECK

 

 

 

 

 

PROCEDURE”.

[6] Fan Motor will

a) Fan Motor

1.

Motor winding opened.

1.

Replace.

not start, or is

 

2.

Bearing worn out.

2.

Replace.

not operating.

 

3.

Wiring to fan motor.

3.

Check for loose

 

 

 

 

 

connection or open, and

 

 

 

 

 

replace.

 

 

4.

Fan blade bound

4.

Check and replace.

 

 

 

(locked fan motor).

 

 

 

b) Control Board

1.

Defective.

1.

See “II. 3. [d] CONTROL

 

 

 

 

 

BOARD CHECK

 

 

 

 

 

PROCEDURE”.

[7] All

a) Refrigerant

1.

Undercharged.

1.

Check for leaks and

components

 

 

 

 

recharge.

run but no ice

 

2.

Air or moisture trapped.

2.

Replace drier, and

is produced.

 

 

 

 

recharge.

 

b) Compressor

1.

Defective.

1.

Replace.

 

c) Hot Gas Solenoid

1.

Continues to open in

1.

Check and replace.

 

Valve

 

freeze cycle.

 

 

41

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Contents Model KM-201BAH KM-260BAH KM-201BWH KM-260BWH Hoshizaki AMERICA, INC Contents Adjustment of Water Regulating Valve Page Specifications 1. Specifications a KM-201BAH KM-260BAH KM-201BWH KM-260BWH II. General Information 1. Construction KM-201BAH, KM-260BAHFront View KM-260BWH Icemaking Compartment Initial Harvest Cycle Sequence of OperationONE Minute Fill Cycle Freeze CycleNormal Harvest Cycle ShutdownDrain Control Board Control Board Layout $POUSPM#PBSEHigh Temperature Safety Features Maximum Water Supply Period 6 minutesHarvest Backup Timer and Freeze Timer Low Water SafetyLED Lights and Audible Alarm Safeties WV, HGVControls and Adjustments Default Dip Switch SettingsHarvest Timer S1 dip switch 1 Pump-Out Timer S1 dip switch 3Harvest Pump Timer S1 dip switch 7 Pump-Out Frequency Control S1 dip switch 5Freeze Timer S1 dip switch 9 Pump-Out Pump Motor Delay S2 dip switch Refill Counter S2 dip switch 3 Program Ver Anti-Slush Control S2 dip switch 6 Program Ver Overfreeze Detection Control S2 dip switch 5 Program VerControl Board Check Procedure Control Board Replacement ThermistorBIN Control BIN Control Check ProcedureExplanation of Operation Service Switch SwitchesControl Switch DrainCirculate WashHot Gas KM-201BWH, KM-260BWH Wiring Diagram Timing Chart KM-201BAHHV/FM OFF Relay Control Power Switch Freeze Cycle Harvest Cycle Performance Data Production PER 24 HR263 215 268 IV. Service Diagnosis Diagnostic Procedure Page No ICE Production Board Check Problem Possible Cause Remedy Evaporator is Frozen UP LOW ICE Production Other Service for Refrigerant Lines Removal and ReplacementService Information Refrigerant Recovery Evacuation and Recharge R-404ABrazing Compressor Drier HOT GAS Valve Hot Gas Valve Expansion Valve AIR-COOLED Condenser WATER-COOLED Condenser Caution FAN Motor AIR-COOLED Model Water Regulating Valve WATER-COOLED Model Caution Page Adjustment of Water Regulating Valve WATER-COOLED Model Pump Motor Water Valve Drain VALVE, Cleaning Valve Float Switch BIN Control Switch Thermistor Control BOX Fuse Power SwitchPower Relay Fuse HolderWater Tank Control Board TransformerCube Guide SeparatorPage Spray TUBE, Water Supply PIPE, Spray Guide Door Cleaning VI. Cleaning and Maintenance InstructionsCleaning Procedure Sanitizing Procedure Following Cleaning Procedure Exterior Panels MaintenanceStorage BIN and Scoop Condenser AIR-COOLED Model Preparing the Icemaker for Long StorageAIR Filter AIR-COOLED Model Remove the water from the potable water supply lineInlet Hose Washer Stop Valve

KM-201BWH, KM-260BWH, KM-201BAH, KM-260BAH specifications

The Hoshizaki KM-260BAH, KM-201BAH, KM-201BWH, and KM-260BWH are state-of-the-art ice machines designed for commercial use, demonstrating Hoshizaki's commitment to quality and innovation in the foodservice industry.

The KM-260BAH and KM-260BWH models are known for their impressive production capabilities, yielding up to 260 pounds of crescent ice daily. This ice type not only looks appealing but also has excellent cooling properties, making it a favorite in bars and restaurants. The KM-201BAH and KM-201BWH models produce up to 201 pounds of ice per day, making them ideal for establishments with moderate ice needs.

One of the standout features of these machines is the advanced air-cooled technology, which ensures optimal efficiency and reliability. The air-cooled condenser minimizes water usage, reducing operational costs while delivering consistent performance. Both BM-260 and KM-201 series models are equipped with a highly efficient refrigeration system, promoting rapid ice production even in warm environments.

The KM-260BAH and KM-260BWH models utilize a durable stainless steel exterior, providing not only a sleek appearance but also resistance to corrosion, ensuring longevity in demanding kitchen environments. The interior of these machines is designed with ease of cleaning in mind; a removable front panel allows quick access for maintenance, making service less time-consuming.

In terms of energy efficiency, these Hoshizaki ice machines meet Energy Star standards, offering reduced energy consumption and lower utility bills. The smart design also minimizes noise, creating a more pleasant atmosphere in bustling kitchens.

Another important characteristic of the KM-201BAH and KM-201BWH models is their flexible installation options, allowing users to adapt the machine to their space effortlessly. Additionally, the optional built-in storage bin can be paired seamlessly for enhanced convenience.

These ice machines also come with Hoshizaki's distinctive EverCheck alert system. This technology monitors the machine's operation, notifying operators of any necessary maintenance or issues before they become significant problems.

Overall, the Hoshizaki KM-260BAH, KM-201BAH, KM-201BWH, and KM-260BWH models showcase cutting-edge technology, energy efficiency, and user-friendly features, making them an excellent choice for any business in need of a reliable ice solution. Their focus on durability and performance positions them as a benchmark in the commercial ice machine sector, ensuring a consistent supply of high-quality ice.
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