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 fill 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 fill cycle.
• See the chart below for possible causes and remedies.
Code
A 3
Error
Wash tank water level sensor opens in “READY” mode or “STANDBY.”
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.
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