Hoshizaki KM-1300SAH3, KM-1300SWH3, KM-1300SRH3 service manual Problem Possible Cause Remedy

Page 44

Problem

Possible Cause

 

 

Remedy

 

 

 

 

 

 

 

[1] Continued from

j)

Water Supply Line

1.

Water supply off and water

1.

Check and get

previous page.

 

 

 

supply cycle does not

 

recommended pressure.

 

 

 

 

finish.

 

 

 

 

 

 

 

 

 

 

 

 

2.

Condenser water pressure

2.

Check and get

 

 

 

 

too low or off and pressure

 

recommended pressure.

 

 

 

 

control opens and closes

 

 

 

 

 

 

frequently to finally

 

 

 

 

 

 

operate high temperature

 

 

 

 

 

 

safety.

 

 

 

 

 

 

 

 

 

 

k)

Water Solenoid

1.

Mesh filter or orifice gets

1.

Clean.

 

 

 

 

clogged and water supply

 

 

 

 

 

 

cycle does not finish.

 

 

 

 

 

 

 

 

 

 

 

 

2.

Coil winding opened.

2.

Replace.

 

 

 

 

 

 

 

 

 

 

3.

Wiring to water valve.

3.

Check for loose

 

 

 

 

 

 

connection or open, and

 

 

 

 

 

 

replace.

 

 

 

 

 

 

 

 

l)

Controller Board

1.

Defective.

1.

See "II.2[e] Checking the

 

 

 

 

 

 

Controller Board."

 

 

 

 

 

 

 

m) Interlock Switch

1.

OFF Position

1.

Move to ON position.

 

 

(Cleaning Valve)

 

 

 

 

 

 

2.

Bad contacts.

2.

Check for continuity and

 

 

 

 

 

 

replace.

 

 

 

 

 

 

 

[2] Water continues to

a)

Float Switch

1.

Connector disconnected.

1.

Place in position.

be supplied, and the

 

 

 

 

 

 

 

 

2.

Leads opened or defective

2.

Check and replace.

icemaker will not

 

 

 

switch.

 

 

start.

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Float does not move

3.

Clean or replace.

 

 

 

 

 

 

 

freely.

 

 

 

 

 

 

 

 

 

 

b)

Controller Board

1.

Defective.

1.

Replace.

 

 

 

 

 

 

 

 

c)

Contactor

1.

Open coil or contacts

1.

Replace.

 

 

 

 

worn.

 

 

 

 

 

 

 

 

 

[3] Compressor will not

a)

Wash Switch

1.

WASH position.

1.

Move to ICE position.

start or stops

 

 

 

 

 

 

 

 

2.

Bad contacts.

2.

Check and replace.

operating.

 

 

 

 

 

 

b)

High Pressure

1.

Dirty air filter or

1.

Clean.

 

 

 

Controller

 

condenser.

 

 

 

 

 

 

 

 

 

 

 

 

2.

Ambient or condenser

2.

Reduce temperature.

 

 

 

 

water temperature too

 

 

 

 

 

 

warm.

 

 

 

 

 

 

 

 

 

 

 

 

3.

Refrigerant overcharged.

3.

Recharge.

 

 

 

 

 

 

 

 

 

 

4.

Refrigerant line or

4.

Clean and replace drier.

 

 

 

 

components plugged.

 

 

 

 

 

 

 

 

 

 

 

 

5.

Fan not operating. [Except

5.

See chart 1.[6]

 

 

 

 

water-cooled model]

 

 

 

 

 

 

 

 

 

 

 

 

6.

Condenser water pressure

6.

Check and get

 

 

 

 

too low or off. [Water-

 

recommended pressure.

 

 

 

 

cooled model only]

 

 

 

 

 

 

 

 

 

44

Image 44
Contents Hoshizaki Stackable Crescent Cuber Hoshizaki AMERICA, INC Contents Page Specifications Icemaker KM-1300SAHKM-1300SWH Water Cooled CondenserKM-1300SRH KM-1300SAH3 KM-1300SWH3 KM-1300SRH3 Condensing Unit URC-12FSpecifications Model URC-12F II. General Information Construction KM-1300SAH, KM-1300SAH3KM-1300SWH, KM-1300SWH3 KM-1300SRH, KM-1300SRH3 Features of Control Products E Controller Board Controller BoardSolid-State Control Controller BoardPage Beep every 3 sec. = High Evaporator Temperature 127 F Minute Fill CycleHarvest Cycle CycleControl Products HOS-001A Board Sequence 1st Cycle 2nd Cycle and after with pump drain Important Water Valve opening is limited to 6 minutes2nd Cycle and after with no pump drain Controls and Adjustments Dip switch is factory-adjusted to the following positionsSetting Time Setting Frequency Checking the Controller Board Page KM-1300SAH, KM-1300SAH3 KM-1300SWH, KM-1300SWH3 KM-1300SRH, KM-1300SRH3 Wiring Diagrams KM-1300SAH, KM-1300SWHPsig KM-1300SAH3, KM-1300SWH3 Cut-out 412 0 +21.3 Psig Cut-in 327 ± 21.3 Psig Timing Chart Page Performance Data 3271284 1296 1320 1254 1308 IV. Service Diagnosis No Ice Production Problem Possible Cause RemedyProblem Possible Cause Remedy Water Regulator Water Problem Possible Cause Remedy Evaporator is Frozen Up Other Low Ice ProductionAbnormal Ice Removal and Replacement of Components Service for Refrigerant LinesRefrigerant Recovery Evacuation and Recharge R-404ABrazing Removal and Replacement of Compressor Removal and Replacement of Drier Removal and Replacement of Expansion Valve Removal and Replacement of Hot Gas Valve and Line Valve Removal and Replacement of Evaporator Page Adjustment of Water Regulating Valve Water-Cooled Model Only Page Removal and Replacement of Thermistor Removal and Replacement of Fan Motor Removal and Replacement of Water Valve Removal and Replacement of Pump MotorRemoval and Replacement of Spray Tubes VI. Maintenance and Cleaning Instructions Preparing the Icemaker for Long StoragePage Cleaning and Sanitizing Procedures Cleaning Procedure Page Sanitizing Procedure Following Cleaning Procedure Maintenance

KM-1300SRH3, KM-1300SWH, KM-1300SRH, KM-1300SAH, KM-1300SWH3 specifications

The Hoshizaki KM-1300 series ice makers are designed to meet the demands of high-volume establishments requiring consistent, high-quality ice production. Among the models in this series are the KM-1300SAH3, KM-1300SWH, KM-1300SRH3, KM-1300SWH3, and KM-1300SAH, each boasting a variety of features and technologies to enhance efficiency and reliability.

One of the standout features of the KM-1300 series is its impressive ice production capacity. Each model is capable of producing up to 1,300 pounds of ice in a 24-hour period, making them ideal for busy restaurants, hotels, or bars that serve a high volume of customers. The machines are designed to create crescent ice, known for its pellet-like texture that is perfect for drink service and food display.

Energy efficiency is another key characteristic of the Hoshizaki KM-1300 models. They are equipped with a highly efficient refrigeration system that minimizes energy consumption while maximizing output. Many of the models in this series are certified by Energy Star, helping operators reduce their environmental footprint and lower operational costs.

Durability and ease of maintenance are also prominent features of the KM-1300 series. Constructed with stainless steel exteriors, these ice makers are built to withstand the rigors of a busy kitchen environment. Additionally, Hoshizaki has incorporated a unique air-cooled condenser design, which reduces the need for frequent servicing and minimizes downtime.

The KM-1300SAH3 and KM-1300SAH models come with advanced touch controls and a user-friendly interface, allowing operators to monitor and adjust settings with ease. The built-in self-diagnostic system alerts users to potential issues before they escalate, improving reliability and ensuring consistent ice production.

For those seeking flexibility, the KM-1300 series also offers modular designs, enabling operators to stack units or configure them in various layouts to optimize space. This adaptability makes these ice makers a smart choice for establishments with limited room or specific design requirements.

In summary, the Hoshizaki KM-1300 series ice makers combine efficiency, durability, and high production rates with advanced technology and user-friendly features. Ideal for high-demand environments, these machines deliver reliable performance and consistent ice quality, making them a valuable asset for any food service operation.