Hoshizaki JWE-24000CUA-L-25B, JWE-2400CUA-R-25B service manual c Wash Tank Water Level Error A3

c) Wash Tank Water Level Error (A3)

•If the water level in the wash tank goes below the water level sensor in "READY" mode or during operation, the supplementary fill cycle starts, "A3" appears in the display, the "AUTO FILL" lamp flashes, and the buzzer sounds three times only at the beginning.

•If the wash tank water level sensor is closed after the supplementary fill cycle, the alarm resets. If the wash tank water level sensor is still open after the supplementary fill cycle, another cycle starts.

If the wash tank water level sensor is closed after the second cycle, the alarm resets. If the wash tank water level sensor still does not close after the second cycle, the buzzer sounds, and the unit completely shuts down.

•See the chart below for possible causes and remedies.



Code

A 3

Error

Wash tank water level sensor opens in “READY” mode or during operation.

Operation

Auto fill cycle starts.

Item

Overflow Pipe

Wash Tank Water Level

Sensor (Wash Tank

Electrode)

Possible Cause

Out of position.

Heavy scale or soil buildup.

Connector not properly connected.

Remedy

Set in position.

Clean.

Reconnect.

Open circuit.

Repair or replace.

Defective.

Replace.

Control Board

Connector not properly connected.

Reconnect.

Defective.

Replace.

Auto Fill Cycle

Water level too low.

See “A1.”

31