Lamp

Error code

Problem

Check

Possible cause

Remedy

Add salt

(Continued)

Salt water pump

Defective

Repair or replace

water

 

 

 

Improper stroke dial

Set to "E" (far to

 

 

 

 

setting

left)

 

 

 

 

Supply line open circuit

Correct

 

 

 

 

Signal line open circuit

Correct

Error

E11

Flow control valve (flow

Water supply line

Water failure

Recover water

 

 

rate sensor) detected

 

 

supply

 

 

flow rate below 0.13 gal/

Electrolyzed

Blocked

Unblock

 

 

min (0.5 L/min) for 10

water outlet

 

 

 

 

sec with water valve on

Joint hose

Crushed or bent

Correct

 

 

 

 

Scaled

Replace

 

 

 

Filter

Clogged

Unclog

 

 

 

Water valve

Defective

Repair or replace

 

 

 

 

Clogged

Unclog

 

 

 

 

Supply line open circuit

Correct

 

 

 

Flow rate sensor

Defective

Repair or replace

 

 

 

 

Clogged

Unclog

 

 

 

 

Signal line open circuit

Correct

Error

E14

Flow rate sensor

Water valve

Defective

Repair or replace

 

 

detected flow rate above

 

Clogged

Unclog

 

 

0.13 gal/min (0.5 L/min)

Flow rate sensor

Defective

Repair or replace

 

 

for 10 sec with water

 

 

 

 

 

valve off

 

 

 

Error

E53

Electrolytic current

Current sensor

Defective

Repair or replace

 

 

stayed below 0.5A for 2

 

12V DC line open

Correct

 

 

sec

 

circuit

 

 

 

 

 

Signal line open circuit

Correct

 

 

 

Switching

Defective

Repair or replace

 

 

 

regulator

 

 

 

 

 

Main control

Defective

Repair or replace

 

 

 

board

Loose chip insertion

Correct

Error

E61

Flow switching did not

Gear motor

Defective

Repair or replace

 

 

complete within 30 sec

 

Overrun

Lubricate motor

 

 

 

 

 

shaft

 

 

 

Location

Defective

Repair or replace

 

 

 

microswitch

 

 

 

 

 

Direction

Defective

Repair or replace

 

 

 

microswitch

 

 

E74

Thermistor open circuit

Thermistor

Defective

Repair or replace

 

 

[-22°F (-30°C)] or short

 

 

 

 

 

circuit [140°F (60°C)]

 

 

 

 

 

was detected

 

 

 

E82

Upper float switch turned

Float switch

Defective

Repair or replace

 

 

on and lower float switch

 

 

 

 

 

turned off

 

 

 

EE1

Model setting connector

Main control

Incorrect wiring

Correct

 

 

lost or wrong

board

connector

 

EF0

EEPROM memory

Main control

Defective

Replace

 

 

element error

board

 

 

28

Page 29
Image 29
Hoshizaki ROX-20TB2-U service manual EE1

ROX-20TB2-U specifications

The Hoshizaki ROX-20TB2-U is a highly efficient and reliable ice maker designed for commercial use, catering primarily to restaurants, bars, and other foodservice establishments. This model stands out in the market due to its innovative technologies, robust build, and advanced features that address the demanding needs of high-volume ice production.

One of the primary features of the ROX-20TB2-U is its ability to produce an impressive amount of ice within a short period. Capable of generating up to 1,000 pounds of nugget ice in a 24-hour cycle, this machine ensures that businesses never run out of ice during peak service hours. The nugget ice produced is not only chewable but also ideal for quickly cooling beverages, making it a popular choice for cocktail bars and cafes.

In terms of construction, the ROX-20TB2-U is designed with durability in mind. The exterior is built from stainless steel, resistant to corrosion and wear, which makes it suitable for heavy-duty usage. The unit also features an ergonomic design that allows for easy access to components for maintenance and cleaning. This attention to durability assures long-term performance, minimizing downtime and repair costs.

One of the standout technologies employed in the Hoshizaki ROX-20TB2-U is its advanced air-cooled condenser. This system enhances efficiency while maintaining optimal performance, allowing for lower energy consumption compared to traditional ice makers. This eco-friendly aspect not only reduces utility bills but also aligns with sustainability goals that many businesses pursue today.

Another significant characteristic is the machine's user-friendly control panel. The intuitive interface allows operators to monitor production, adjust settings, and receive alerts for maintenance needs, making it easy to operate with minimal training. The built-in cleaning cycle feature further simplifies maintenance, ensuring that the ice produced is of the highest quality and free from contaminants.

Additionally, the Hoshizaki ROX-20TB2-U incorporates an advanced ice storage bin capable of holding up to 250 pounds of ice. This feature minimizes the need for frequent ice replenishment, ensuring that ice is readily available whenever needed.

Overall, the Hoshizaki ROX-20TB2-U is a top-of-the-line choice for those in the foodservice industry seeking reliability, efficiency, and quality in their ice-making equipment. Its combination of innovative technologies, durable construction, and ease of use makes it a valuable asset for any establishment that requires a continuous supply of ice.