Whirlpool Dishwasher F9-E4 Error Code

Lower Spray Arm Error or Light Error

The lower spray arm cannot spin.
24” Microfiltration Dishwashers (square sump) – Light in the tub

Whirlpool Dishwasher F9-E4 Error Code Error Code Possible Causes

• The lower spray arm is blocked or jammed.
• The lower spray arm motor or sensor is defective.
• Wiring or connection issue.
• The main PCB is defective.

24″ Microfiltration Dishwashers (square sump)

• Loose connection or open in tub light circuit

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This information is provided for educational purposes only. Please consult the appropriate Service Mode or Technical Document for your model. Always take proper safety precautions when installing or repairing any major appliance.