III. Service Diagnosis

WARNING

1.This unit should be diagnosed and repaired only by qualified service personnel to reduce the risk of death, electric shock, serious injury, or fire.

2.Risk of electric shock. Use extreme caution and exercise safe electrical practices.

3.Moving parts (e.g., fan blade) can crush and cut. Keep hands clear.

4.Do not make any alterations to the unit. This could cause water leak, electric shock, or fire.

5.To help reduce the risk of electric shock, do not touch switches with damp hands.

A.Diagnostic Procedure

The diagnostic procedure is a sequence check of the switches and sensors while operating the unit, by using the switch open/closed display mode.

Switch Open/Closed Display Mode

The switch open/closed display mode indicates when the wash start switch, rinse start switch, wash tank water level sensor, booster tank water level float switch, and booster tank backup water level float switch are open or closed.

To enter the switch open/closed display mode, use the "ON/OFF" button to turn on the unit. Press and hold the up and down buttons for 3 seconds. The following appears in the display:

Load a rack to engage the wash start switch and start a cycle. The display indicates whether a switch is open or closed. When a switch is closed, its corresponding segment is illuminated in the display. See the illustration below.

To resume the normal display, press the down button.

Booster Tank Backup Water Level Float Switch

Wash Start Switch

Booster Tank Water Level Float Switch

Rinse Start Switch

Wash Tank Water Level Sensor

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Hoshizaki JWE-2400CUA-R-25B service manual III. Service Diagnosis, Diagnostic Procedure, Switch Open/Closed Display Mode

JWE-2400CUA-R-25B, JWE-24000CUA-L-25B specifications

The Hoshizaki JWE-2400CUA-R-25B and JWE-24000CUA-L-25B are advanced ice machines designed to meet the diverse needs of commercial establishments requiring high volumes of ice. These state-of-the-art units combine innovative technology with energy efficiency, making them ideal for restaurants, hotels, bars, and other hospitality settings.

One of the main features of the JWE-2400CUA-R-25B is its high production capacity. This model can produce up to 2,400 pounds of ice in a 24-hour period, ensuring a continuous supply for busy operations. Similarly, the JWE-24000CUA-L-25B boasts an impressive production rate, accommodating even larger establishments. Both machines deliver crescent-shaped ice, which is favored for its rapid cooling properties and ease of use in beverages.

Energy efficiency is a highlight of both models. They are designed with environmentally friendly refrigerants, aligning with modern sustainability practices. These machines also incorporate advanced heat-exchange systems that maximize energy savings while maintaining optimal ice production. As a result, operators can enjoy significant reductions in energy costs without compromising on performance.

Durability and reliability are essential characteristics of the Hoshizaki JWE series. Constructed with high-quality materials, these units feature stainless steel exteriors that resist corrosion and wear, ensuring long-term operation in demanding environments. Additionally, the ice-making components are built to endure frequent use, allowing for consistent ice output over time.

The technology integrated into the JWE-2400CUA-R-25B and JWE-24000CUA-L-25B includes user-friendly digital controls that simplify operation and monitoring. These controls help operators track production levels, ice thickness, and machine status, allowing for proactive maintenance and reducing downtime. Furthermore, routine cleaning and maintenance are made straightforward, contributing to enhanced hygiene and overall ice quality.

In conclusion, the Hoshizaki JWE-2400CUA-R-25B and JWE-24000CUA-L-25B ice machines present a perfect blend of high capacity, energy efficiency, and durability. Their advanced features and technologies make them a reliable choice for any business requiring dependable ice production. With their user-friendly controls and robust design, these machines stand out as top contenders in the commercial ice maker market.