Lower Spray Arm Error or Light Error
F9-E4
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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