Hoshizaki KM-1300SAH3, KM-1300SWH3, KM-1300SRH3 service manual Water Regulator Water

Page 45

Problem

Possible Cause

 

 

Remedy

 

 

 

 

 

 

 

[3] Continued from

c)

Overload Protector

1.

Bad contacts.

1.

Check for continuity and

previous page.

 

 

 

 

 

replace.

 

 

 

 

 

 

 

 

 

 

2.

Voltage too low.

2.

Increase voltage.

 

 

 

 

 

 

 

 

 

 

3.

Refrigerant overcharged or

3.

Recharge.

 

 

 

 

undercharged.

 

 

 

 

 

 

 

 

 

 

 

 

4.

Line valve continues to

4.

Check line valve's

 

 

 

 

close in freeze cycle and

 

operation in freeze cycle

 

 

 

 

overload protector

 

and replace.

 

 

 

 

operates.

 

 

 

 

 

 

 

 

 

 

d)

Starter

1.

Bad contacts.

1.

Check and replace.

 

 

 

 

 

 

 

 

 

 

2.

Coil winding opened.

2.

Replace.

 

 

 

 

 

 

 

 

e)

Start Capacitor or Run

1.

Defective.

1.

Replace.

 

 

Capacitor

 

 

 

 

 

 

 

 

 

 

 

 

f)

Magnetic Contactor

1.

Bad contacts.

1.

Check for continuity and

 

 

 

 

 

 

replace.

 

 

 

 

 

 

 

 

 

 

2.

Coil winding opened.

2.

Replace.

 

 

 

 

 

 

 

 

g)

Compressor

1.

Wiring to compressor.

1.

Check for loose

 

 

 

 

 

 

connection or open, and

 

 

 

 

 

 

replace.

 

 

 

 

 

 

 

 

 

 

2.

Defective.

2.

Replace.

 

 

 

 

 

 

 

 

 

 

3.

Protector tripped.

3.

Reduce temperature.

 

 

 

 

 

 

 

 

h)

Controller Board

1.

Defective.

1.

See "II.2[e] Checking the

 

 

 

 

 

 

Controller Board."

 

 

 

 

 

 

 

 

i)

Water Regulator [Water-

1.

Set too high.

1.

Adjust lower.

 

 

cooled model only]

 

 

 

 

 

 

 

 

 

 

 

[4] Water continues to

a)

Water Solenoid Valve

1.

Diaphragm does not close.

1.

Check for water leaks with

be supplied in freeze

 

 

 

 

 

icemaker off.

cycle.

 

 

 

 

 

 

b)

Controller Board

1.

Defective.

1.

See "II.2[e] Checking the

 

 

 

 

 

 

Controller Board."

 

 

 

 

 

 

 

[5] No water comes from

a)

Water Supply Line

1.

Water pressure too low

1.

Check and get

spray tubes. Water

 

 

 

and water level in water

 

recommended pressure.

pump will not start, or

 

 

 

tank too low.

 

 

freeze cycle time is

b)

Water Solenoid Valve

1.

Dirty mesh filter or orifice

1.

Clean.

too short.

 

 

 

and water level in water

 

 

 

 

 

 

tank too low.

 

 

 

 

 

 

 

 

 

 

c)

Water System

1.

Water leaks.

1.

Check connections for

 

 

 

 

 

 

water leaks, and replace.

 

 

 

 

 

 

 

 

 

 

2.

Clogged.

2.

Clean.

 

 

 

 

 

 

 

 

 

 

3.

Pump out check valve

3.

Check assembly and

 

 

 

 

leaking by.

 

clean.

 

 

 

 

 

 

 

45

Image 45
Contents Hoshizaki Stackable Crescent Cuber Hoshizaki AMERICA, INC Contents Page KM-1300SAH Specifications IcemakerWater Cooled Condenser KM-1300SWHKM-1300SRH KM-1300SAH3 KM-1300SWH3 KM-1300SRH3 URC-12F Condensing UnitSpecifications Model URC-12F KM-1300SAH, KM-1300SAH3 II. General Information ConstructionKM-1300SWH, KM-1300SWH3 KM-1300SRH, KM-1300SRH3 Controller Board Features of Control Products E Controller BoardSolid-State Control Controller BoardPage Minute Fill Cycle Beep every 3 sec. = High Evaporator Temperature 127 FHarvest Cycle CycleControl Products HOS-001A Board Sequence 1st Cycle Important Water Valve opening is limited to 6 minutes 2nd Cycle and after with pump drain2nd Cycle and after with no pump drain Dip switch is factory-adjusted to the following positions Controls and AdjustmentsSetting Time Setting Frequency Checking the Controller Board Page KM-1300SAH, KM-1300SAH3 KM-1300SWH, KM-1300SWH3 KM-1300SRH, KM-1300SRH3 KM-1300SAH, KM-1300SWH Wiring DiagramsPsig KM-1300SAH3, KM-1300SWH3 Cut-out 412 0 +21.3 Psig Cut-in 327 ± 21.3 Psig Timing Chart Page 327 Performance Data1284 1296 1320 1254 1308 Problem Possible Cause Remedy IV. Service Diagnosis No Ice ProductionProblem Possible Cause Remedy Water Regulator Water Problem Possible Cause Remedy Evaporator is Frozen Up Low Ice Production Abnormal IceOther Service for Refrigerant Lines Removal and Replacement of ComponentsRefrigerant 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 Pump Motor Removal and Replacement of Water ValveRemoval and Replacement of Spray Tubes Preparing the Icemaker for Long Storage VI. Maintenance and Cleaning InstructionsPage 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.