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

Page 31

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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Contents Model JWE-2400CUA-L-25B JWE-2400CUA-R-25B Hoshizaki AMERICA, INC Contents Page Indicates important information about the use and care Important Safety InformationSerious injury PropertyDishwasher Side Booster Side AC Supply Voltage Right to Left Nameplate Rating JWE-2400CUA-L-25B Dimensions/ConnectionsJWE-2400CUA-R-25B Dishwasher II. General Information A. ConstructionTop View Booster TankBox Sequence of Operation FunctionsIncreasing Rinse Water Flow Rate Page Emergency Stop Button Table Limit SwitchDrain Dishwasher Sequence Flow Chart JWE-2400CUA-25B Flow ChartAuto Fill ChartCycle Wash Cycle/Rinse Cycle Control Board Location Control Board and Operation BoardCN4 Control Board LayoutCN1 CN2 Control Board DiagramDisplay Service Menu and Error LogError Codes Water Temperature LampsWash Lamp Conveyor Speed SwitchService Menu Access Ready LampItem and Details Setting Range Display Service Menu ChartError Codes Temperature DisplayBuzzer Special Modes Continuous Wash ModeLow Water Temperature Lock Function Operation Time DisplayOFF Diagnostic Procedure III. Service DiagnosisSwitch Open/Closed Display Mode Page Error Code Table Error CodesError Code Log Auto Fill Error A1 Error Code DetailsPage Booster Tank Auto Fill Error A2 Wash Tank Water Level Error A3 Page Page Wash Tank Thermistor Error H1, H2 Booster Tank Thermistor Error H3, H4 Eeprom Error H6 ROM/RAM Error H5Conveyor Overload or Table Limit Error 1 L1 Conveyor Overload or Table Limit Error 2 L2 Booster Tank Error b1 Booster Tank Water Level Safety Error b2 Unit Will Not Start Service Flow ChartsSee III.B. Error Codes Replace Dishes Not Clean Page Inadequate Rinse Dishwasher will not start wash/rinse cycle Dishwasher Will Not Start Wash/Rinse CycleWash Tank Water Boils No or Inadequate Detergent/Rinse Aid SupplyWash Tank Water Not Draining Float Switch Check Float Switch Check and CleaningFloat Switch Cleaning Thermistor Check Removal and Replacement of Wash Pump Motors IV. Removal and Replacement of ComponentsRemoval of Panels Removal and Replacement of Rinse Pump Motor Rinse Pump Motor Page Removal and Replacement of Gear Motor Removal and Replacement of Conveyor Removal and Replacement of Crankshaft Removal and Replacement of Thermistor Removal and Replacement of Control BoxControl Board Removal and Replacement of Control Board or Operation BoardOperation Board Removal and Replacement of Heater Removal and Replacement of Float Switch Removal and Replacement of Thermostat Cleaning and Maintenance Instructions Daily Maintenance Wash the curtains Silverware Rack Rail Ring Install the curtain L in the wash compartment Exterior Weekly MaintenanceMonthly Inspection HeaterShutdown Descaling As RequiredService Panel Hook VI. Operating Instructions Long Storage, Relocation, Disposal, TransferVII. Technical Information Water Circuit Wiring Diagram
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JWE-2400CUA-R-25B, JWE-24000CUA-L-25B specifications

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