Hoshizaki JWE-620UA-6B - Manual (Page 38)

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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 in "STANDBY," the auto fi ll cycle starts, "A3" appears in the display, and the buzzer
sounds.
• The error resets if the water level sensor is closed at the end of the auto fi ll cycle.
• See the chart below for possible causes and remedies.
Overflow Pipe
Out of position. Set in position.
Control Board
Connector not properly
connected. Reconnect.
Defective. Replace.
Wash Tank Water Level
Sensor (Wash Tank
Electrode)
Heavy scale or soil
buildup. Clean.
Connector not properly
connected. Reconnect.
Open circuit. Repair or replace.
Defective. Replace.
Wash tank water level sensor opens in
“READY” mode or “STANDBY.”
A 3
Code Error
Item Possible Cause Remedy
Auto fill cycle starts.
Operation