Hoshizaki JWE-2400CUA-R-25B Manuel D’Utilisation

40

• If the booster tank water level safety fl oat switch opens after the booster tank water level 

fl oat switch closes, the unit shuts down, "b2" appears in the display, and the buzzer sounds.

• To reset, use the "ON/OFF" button to turn the unit off and then back on.



Booster tank water level safety float switch 
opens after booster tank water level float switch 
closes.

b 2 

Code Error 

Item Possible 

Cause 

Remedy 

Unit stops

 

Operation 

Flow rate too low. 

Readjust. 

Water supply pressure 
too low. 

Readjust. 

Water Heater 

Strainer 

Filter clogged. 

Clean.

Filter clogged. 

Clean.

Defective. 

Replace.

Water Valve 

Open circuit. 

Repair or replace. 

Control Board 

Defective. 

Replace.

Connector not properly 
connected.

Reconnect.

Booster Tank Water 

Level Safety Float 

Switch

Open circuit or 
connector not properly 
connected.

Repair or replace. 

Sticking. 

Check and clean. See 

“III.D. Float Switch 
Check and Cleaning.

”

Defective. 

Replace.

Rinse Spray Arm 

Disconnected or water 
leaks from joint. 

Reconnect.

Defective. 

Replace.

Clogged. 

Clean.

Rinse Water Level 

Insufficient water 
supply. 

Readjust. 

Pressure Reducing 

Valve