Hoshizaki KM-1300SAH3, KM-1300SWH3, KM-1300SRH3 Low Ice Production, Abnormal Ice, Other

Page 48

3. Low Ice Production

Problem

Possible Cause

Remedy

 

 

 

 

[1]

Freeze cycle time is

a) See chart 1.[3] and check high pressure controller and water regulator.

 

long.

 

 

 

b)

See chart 2.[1] and check float switch, water solenoid valve and controller board.

 

 

 

 

[2]

Harvest cycle time is

a)

See chart 2.[2] and check evaporator, water supply line, water filter system, water

 

long.

 

solenoid valve, ambient and/or water temperature, line valve, thermistor, and

 

 

 

controller board.

 

 

 

 

 

 

4. Abnormal Ice

Problem

Possible Cause

 

 

Remedy

 

 

 

 

 

 

[1] Small cubes.

a) Ice Cube Guide

1.

Out of position. Circulated

1.

Place in position.

 

 

 

water falls into bin.

 

 

 

 

 

 

 

b) See chart 1.[5] and check water supply line, water solenoid valve, water system,

 

pump motor, and controller board.

 

 

 

 

 

 

 

 

 

c) Pump Out Check

1.

Dirty.

1.

Clean.

 

Valve

 

 

 

 

 

 

 

 

[2] Cloudy or irregular

a) See chart 2.[1] and 2.[3], and check float switch, water solenoid valve, controller

cubes.

board, spray tubes, water system, refrigerant charge, and expansion valve.

 

 

 

 

 

 

 

b) Spray Guide

1.

Dirty.

1.

Clean.

 

 

 

 

 

 

 

c) Water Quality

1.

High hardness or contains

1.

Install a water softener or

 

 

 

impurities.

 

filter.

 

 

 

 

 

 

5. Other

Problem

Possible Cause

 

 

Remedy

 

 

 

 

 

 

[1] Icemaker will not

a) Bin Control Thermostat

1.

Set too cold.

1.

Adjust warmer.

stop when bin is filled

 

 

 

 

 

 

2.

Defective.

2.

Replace.

with ice.

 

 

 

 

 

 

 

 

 

 

 

 

[2] Abnormal noise.

a) Pump Motor

1.

Bearings worn out.

1.

Replace.

 

 

 

 

 

 

 

b) Fan Motor

1.

Bearings worn out.

1.

Replace.

 

 

 

 

 

 

 

 

2.

Fan blade deformed.

2.

Replace fan blade.

 

 

 

 

 

 

 

 

3.

Fan blade does not move

3.

Replace.

 

 

 

freely.

 

 

 

 

 

 

 

 

 

c) Compressor

1.

Bearings worn out or

1.

Replace.

 

 

 

cylinder valve broken.

 

 

 

 

 

 

 

 

 

 

2.

Mounting pad out of

2.

Reinstall.

 

 

 

position.

 

 

 

 

 

 

 

 

 

d) Refrigerant Lines

1.

Rub or touch other lines or

1.

Replace.

 

 

 

surfaces.

 

 

 

 

 

 

 

 

[3] Ice in storage bin

a) Bin Drain

1.

Plugged.

1.

Clean.

often melts.

 

 

 

 

 

b) Icemker and Bin

1.

Drains not run separately.

1.

Separate the drain lines.

 

 

 

 

 

 

48

Image 48
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 Low Ice Production Abnormal IceOther 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.