Amana Washer Splashing Water Over Tub: Troubleshooting... | appliancefaults.com

Technical Background:

Modern washing machines use a microcomputer unit (MCU) to control the fill cycle. The MCU energizes the water inlet valve(s) based on signals from the pressure switch or water level sensor. The pressure switch measures the air pressure created by the rising water level in the tub. A defective pressure switch, water level sensor, or faulty inlet valve can cause the MCU to continue filling the tub beyond the safe limit.

Symptoms:

US homeowner observes that the Amana washer is splashing water over the top of the tub during the fill cycle. This indicates that the water level is exceeding the normal operating limit.

Possible Causes:

Faulty water inlet valve: The valve may be stuck open, allowing water to continuously flow into the tub.
Pressure switch malfunction: The switch may not be accurately sensing the water level, causing the MCU to overfill.
Blocked or restricted drain hose: If the drain hose is blocked, the water level will rise faster than expected, leading to overfilling.
Siphon effect due to improper drain hose system: If the drain hose is too low, it can create a siphon effect, continuously draining and refilling the tub.
Defective water level sensor: The sensor may provide inaccurate readings to the MCU.
Clogged air dome to pressure switch hose: Buildup of lint and debris can cause false high water levels.

Solution:

1

Disconnect the washer from the power outlet (LOTO).
2

Turn off the water supply valves to the washer.
3

Inspect the drain hose for any kinks, clogs, or improper system. Ensure it's not pushed too far into the drain standpipe (no more than 6 inches).
4

Remove the top panel of the washer (usually with a 1/4-inch nut driver) and locate the water inlet valve(s). Disconnect the wiring and use a multimeter to test for continuity when the valve is energized. Should read between 800-1300 ohms. Replace if defective.
5

Locate the pressure switch (usually connected to a small hose near the bottom of the tub). Check the hose for any cracks, kinks, or obstructions. Blow through the hose to ensure it is clear. Test the pressure switch with a multimeter during the fill cycle. It should change state when the water level reaches the appropriate point.
6

Inspect the water level sensor (if equipped). Refer to the service manual for testing procedures.
7

Reassemble the washer and test the fill cycle.

Safety Warning:

Disconnect the appliance from the power supply before performing any repairs. High voltage is present inside the appliance. Lockout/Tagout (LOTO) procedures must be followed.

Prevention:

Periodically inspect the drain hose for kinks or clogs. Clean the lint filter regularly. Use the correct amount of detergent for each load.

Expert Tip:

On some Amana models, you can access the diagnostic mode by pressing and holding the Start/Pause button for 5 seconds. This may display error codes related to the fill cycle.

Frequently Asked Questions

•What is the correct water level for my Amana washer?

The water level should be just below the agitator or impeller. Refer to your owner's manual for specific recommendations.

•How do I test the pressure switch?

Disconnect the hose from the pressure switch and blow into the switch while testing for continuity across the terminals using a multimeter. The state of the switch should change as you apply pressure.

•Where is the water inlet valve located?

The water inlet valve is typically located at the back of the washer, near where the water hoses connect. You will need to remove the top or back panel to access it.

Amana Washer Splashing Water Over Tub: Troubleshooting Guide

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip:

Frequently Asked Questions

•What is the correct water level for my Amana washer?

•How do I test the pressure switch?

•Where is the water inlet valve located?

Related questions

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip: