Hoshizaki JWE-2400CUA-R-25B, JWE-24000CUA-L-25B m Booster Tank Water Level Safety Error b2

m) Booster Tank Water Level Safety Error (b2)

•If the booster tank water level safety float switch opens after the booster tank water level float 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.

Code

b 2

Error

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

Item	Possible Cause
Water Heater	Water supply pressure
	too low.
	Flow rate too low.

Operation

Unit stops

Remedy

Readjust.

Readjust.

Strainer

Water Valve

Booster Tank Water

Level Safety Float

Switch

Control Board

Filter clogged.

Open circuit.

Filter clogged.

Defective.

Open circuit or connector not properly connected.

Sticking.

Defective.

Connector not properly connected.

Clean.

Repair or replace.

Clean.

Replace.

Repair or replace.

Check and clean. See “III.D. Float Switch Check and Cleaning.”

Replace.

Reconnect.

Defective.

Replace.

Rinse Spray Arm

Pressure Reducing

Valve

Rinse Water Level

Disconnected or water leaks from joint.

Clogged.

Defective.

Insufficient water supply.

Reconnect.

Clean.

Replace.

Readjust.

40