Hoshizaki KM-1301SRH/3, KM-1301SAH/3, KM-1301SWH/3 service manual BC Closed LED

Page 58

Problem

Possible Cause

 

Remedy

 

 

 

 

[1] The icemaker will not

h) Transformer

1. Coil winding open or

1. Replace.

start. (continued)

 

 

shorted.

 

 

 

 

 

 

 

i)

Wiring to Control Board

1. Loose connections or

1. Check for continuity and

 

 

 

open.

replace.

 

j)

Interlock Switch

1. Open position.

1. Move to closed position.

 

 

(Cleaning Valve)

 

 

 

 

2. Bad contacts.

2. Check for continuity and

 

 

 

 

 

 

 

replace.

 

 

 

 

 

k) Thermistor

1. Leads shorted or open

1. See "IV.E. Thermistor

 

 

 

and high temperature

Check."

 

 

 

or harvest backup

 

 

 

 

timer safety operates

 

 

 

 

(1 beep or 2 beep

 

 

 

 

alarm).

 

 

 

 

 

 

 

l)

Hot Gas Valve

1. Continues to open

1. Check for hot gas valve

 

 

 

in freeze cycle and

stuck open and replace.

 

 

 

freeze timer safety

 

 

 

 

operates (3 beep

 

 

 

 

alarm).

 

 

m)Control board green

1. K4 jumper missing or

1. Confirm jumper is in place.

 

 

"BC CLOSED" LED

open.

Check for continuity.

 

 

off and/or yellow "BC

 

 

 

 

OPEN" LED on

 

 

 

 

 

 

 

n) Inlet Water Valve

1. Mesh filter or orifice

1. Clean.

 

 

 

gets clogged and

 

 

 

 

water supply cycle

 

 

 

 

does not finish.

 

 

 

 

 

 

 

 

 

2. Coil winding open.

2. Replace.

 

 

 

 

 

 

 

 

3. Wiring to inlet water

3. Check for loose connection

 

 

 

valve.

or open, and replace.

 

 

 

 

 

o) Float Switch

1. Bad contacts.

1. Check for continuity and

 

 

 

 

replace.

 

 

 

2. Float does not move

2. Clean or replace. See "IV.

 

 

 

freely.

D. Float Switch Check and

 

 

 

 

Cleaning."

 

 

 

 

 

p) Control Board

1. Defective or in alarm.

1. See "IV.B. Control Board

 

 

 

 

Check."

 

 

 

 

[2] Fill cycle will not

a) Water Supply

1. Water supply off or

1. Check and get

terminate.

 

 

pressure too low.

recommended pressure.

 

 

 

 

 

b) Float Switch

1. Connector

1. Reconnect.

 

 

 

disconnected.

 

 

 

 

2. Defective switch.

2. Clean or replace. See "IV.

 

 

 

 

D. Float Switch Check and

 

 

 

 

Cleaning."

 

 

 

 

 

 

 

 

3. Float does not move

2. Clean or replace. See "IV.

 

 

 

freely or switch

D. Float Switch Check and

 

 

 

defective.

Cleaning."

 

 

 

 

 

c) Control Board

1. Defective.

1. See "IV.B. Control Board

 

 

 

 

Check."

 

 

 

 

 

58

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Contents Superior Degree Reliability Hoshizaki AMERICA, INC Contents Page Page Indicates important information about the use and care Important Safety InformationSerious injury UnitSpecifications Icemaker KM-1301SAH air-cooledKM-1301SAH3 air-cooled KM-1301SWH water-cooled KM-1301SWH3 water-cooled KM-1301SRH remote air-cooled KM-1301SRH3 remote air-cooled Condenser Unit URC-14F Unit inches mmSpecifications II. General Information Construction KM-1301SAH, KM-1301SAH3 air-cooledKM-1301SWH, KM-1301SWH3 water-cooled KM-1301SRH, KM-1301SRH3 remote air-cooled Minute Fill Cycle Sequence of OperationSequence Cycles and Shutdown Initial Harvest CycleHarvest Cycle S4 Dip Switch Setting Pump-Out 1st Pump-Out FrequencyPump-Out Cycle ShutdownIcemaker Off Sequence Flow ChartIce Level Lowered Control Board Control Board Layout Control BoardLow Water Safety Harvest Backup Timer and Freeze TimerHigh Temperature Safety Maximum Water Supply Period 6 minutesSequence Step LED Lights and Audible Alarm SafetiesNo. of Beeps Type of Alarm Every 3 sec Energized Time LEDs are On Components Min Max AvgDefault Dip Switch Settings Controls and AdjustmentsHarvest Timer S4 dip switch 1 Pump-Out Frequency Control S4 dip switch 5 Pump-Out Timer S4 dip switch 3S4 Dip Switch Setting Time seconds Inlet Freeze Timer S4 dip switch 9 Harvest Pump Timer S4 dip switchFactory Use S4 dip switch S4 Dip Switch Setting Pump Motor Time secondsFloat Switch Control S5 dip switch Refill Counter S5 dip switch 2 throughBin Control Float SwitchControl Switch ThermistorTank Water Tank Valve Auxiliary Code T-0, U-0 Wiring DiagramsPressureSwitch KM-1301SAH air-cooledHigh Pressure Switch 1301SWH water-cooledAuxiliary Code T-0, U-0cKM Water KM-1301SRH3 remote air-cooled Auxiliary Code U-1 and Later a KM-1301SAH air-cooled KM-1301SWH water-cooled KM-1301SRH remote air-cooled KM-1301SAH3 air-cooled and KM-1301SWH3 water-cooled 1301SRH3 remote air-cooled Performance Data 2090 12981159 22201740 13181323 17601770 13331300 18402010 13531222 4792140 13391197 463IV. Service Diagnosis Diagnostic ProcedurePage S4 Dip Switch Setting Pump-Out 1st Pump-Out Frequency Shutdown Control Board Check Float Switch Check Float Switch Check and CleaningBin Control Check Float Switch Cleaning Thermistor Check Problem Possible Cause Remedy Diagnostic ChartsNo Ice Production BC Closed LED Problem Possible Cause Remedy Evaporator is Frozen Up Problem Possible Cause Remedy Low Ice Production Abnormal Ice Other Service for Refrigerant Lines Removal and Replacement of ComponentsRefrigerant Recovery Brazing Evacuation and Recharge R-404ARemoval and Replacement of Compressor Removal and Replacement of Expansion Valve Page Removal and Replacement of Evaporator Removal and Replacement of Air-Cooled Condenser Removal and Replacement of Water-Cooled Condenser Removal and Replacement of Remote Air-Cooled Condenser Page Adjustment of Water Regulating Valve water-cooled model Removal and Replacement of Thermistor Removal and Replacement of Inlet Water Valve Removal and Replacement of Pump Motor Removal and Replacement of Control Board VI. Cleaning and Maintenance Cleaning and Sanitizing InstructionsCleaning Procedure Sanitizing Procedure Following Cleaning Procedure Maintenance Instructions Preparing the Icemaker for Long StorageRemove the water from the icemaker water supply line Drain the water tank
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Manual 101 pages 53.65 Kb

KM-1301SWH/3, KM-1301SRH/3, KM-1301SAH/3 specifications

The Hoshizaki KM-1301SRH/3, KM-1301SWH/3, and KM-1301SAH/3 are advanced ice makers designed for commercial use, addressing a wide variety of needs in restaurants, hotels, and bars. These models are known for their efficiency, durability, and innovative technologies that ensure the production of high-quality ice.

One of the standout features of these units is their ability to produce a high volume of ice, reaching up to 1,300 pounds per day, which is crucial for establishments with heavy ice demands. The machines utilize advanced cooling technology, allowing for faster ice production and minimizing the time required to refill ice bins. This makes them ideal for busy settings where speed and efficiency are paramount.

The KM-1301 series employs a unique stainless steel exterior that not only ensures longevity and resistance to corrosion but also enhances the aesthetic appeal of any commercial kitchen or bar. The interior is designed for easy cleaning, helping to maintain hygiene standards vital for food safety.

These ice makers utilize the proprietary Hoshizaki Cubelet Ice system, producing small, chewy ice cubes that are perfect for various beverages and food displays. The advanced design of the ice-making mechanism ensures that ice is formed quickly and efficiently, reducing energy consumption. Additionally, Hoshizaki’s CycleSaver technology optimizes the production process by reducing the amount of water used, making these machines environmentally friendly.

Another characteristic is their self-diagnostic capability, which allows for real-time monitoring of unit performance and quicker troubleshooting, minimizing downtime. The built-in alerts notify operators of any issues or maintenance needs, ensuring that the ice-making process remains uninterrupted.

The KM-1301 series also provides user-friendly controls that allow easy adjustments and monitoring of ice production settings. This flexibility enables businesses to meet varying ice demands based on seasonality or special events.

In summary, the Hoshizaki KM-1301SRH/3, KM-1301SWH/3, and KM-1301SAH/3 ice makers are exemplary choices for commercial ice production. With their high output, durable design, energy efficiency, innovative technologies, and user-friendly features, they cater effectively to the rigorous demands of the foodservice industry while maintaining a commitment to quality and sustainability.
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