(ii)After the above step (i), disconnect the float switch leads from the controller board within the first 5 minutes of the freeze cycle.

The unit should go into the defrost cycle after the first 5 minutes ± 20 seconds of the freeze cycle.

(iii)Reconnect the float switch connector to the controller board. After the first 5 minutes of the freeze cycle, disconnect the float switch leads from the controller board.

At this point, the unit should start the defrost cycle.

(iv)After step (iii), de-energize the unit and confirm that the defrost timer is in the minimum position. Disconnect the resistor from the controller board, and energize the unit.

After the 1 minute water supply cycle, the defrost cycle starts.

Re-connect a 1.5 kΩ - 3.5 kΩ resistor to the connector K3 (pins #1 and #2) after the first 2 minutes of the defrost cycle. The unit should start the freeze cycle after 1 minute ± 5 seconds from the resistor connection.

3)Check the controller board using the controller board’s test program.

The output test switch “S3” provides a relay sequence test. With power OFF, place S3 on and switch power to ICE. The correct lighting sequence should be none, 2, 3, 4, 1, and 4, normal sequence every 5 seconds. S3 should remain in the “OFF” position for normal operation.

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Hoshizaki KM-1300SAH3, KM-1300SWH3, KM-1300SRH3 service manual
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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.
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