B. Error Codes

In the event of operation outside of normal parameters, the control board identifies the issue with an error code. For further service information, see "III.C. Service Flow Charts."

1. Error Code Table

Error

Problem

Operation

Reset

Code

 

Wash Tank Auto Fill Error

Whole unit

Use "ON/OFF" button to turn the unit

A1

Water level in wash tank does not reach

stops

off and then back on.

 

 

 

water level sensor after rinse pump has

 

 

 

run for preset time.

 

 

 

Booster Tank Auto Fill Error

Whole unit

Use "ON/OFF" button to turn the unit

 

In auto fill cycle, booster tank water level

stops

off and then back on.

A2

 

 

float switch does not close within 10

 

 

 

 

 

 

minutes (or 20 minutes in "READY" mode)

 

 

 

after inlet water valve is opened.

 

 

 

Wash Tank Water Level Error

Supplementary

After supplementary fill cycle ends,

 

 

fill cycle starts

alarm resets.

 

Water level in wash tank goes below water

(Whole unit

(If whole unit stops, use "ON/OFF"

A3

level sensor in "READY" mode or during

stops if water

button to turn the unit off and then

operation.

level sensor

back on.)

 

 

 

does not

 

 

 

close after two

 

 

 

cycles)

 

 

Booster Tank Water Level Error 1 (Booster

Whole unit

Use "ON/OFF" button to turn the unit

 

Tank Water Level Float Switch Closed)

stops

off and then back on.

o1

Both booster tank water level float switch

 

 

 

 

 

 

and booster tank backup water level float

 

 

 

switch have remained closed for 1 minute.

 

 

 

Booster Tank Water Level Error 2 (Booster

Whole unit

Use "ON/OFF" button to turn the unit

 

Tank Water Level Float Switch Open)

stops

off and then back on.

o2

Booster tank water level float switch is

 

 

 

open and booster tank backup water

 

 

 

level float switch has remained closed for

 

 

 

1 minute.

 

 

 

Wash Tank Thermistor Error (short)

Normal

After replacing failed component,

H1

 

(Wash tank

alarm resets.

Thermistor senses abnormal temperature

heaters off)

 

 

 

 

(at or above 231°F (110°C)).

 

 

 

Wash Tank Thermistor Error (open)

Normal

After replacing failed component,

H2

 

(Wash tank

alarm resets.

Thermistor senses abnormal temperature

heaters off)

 

 

 

 

(at or below -6°F (-21°C)).

 

 

 

Booster Tank Thermistor Error (short)

Normal

After replacing failed component,

H3

 

(Booster tank

alarm resets.

Thermistor senses abnormal temperature

heaters off)

 

 

 

 

(at or above 231°F (110°C)).

 

 

26

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Image 31
Hoshizaki JWE-2400CUA-R-25B, JWE-24000CUA-L-25B service manual Error Codes, Error Code Table

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

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