Dishwasher displays F4E1 and will not fill with water; you may hear a humming or clicking but no water enters.

Safety: Turn off power and shut off the dishwasher's water supply valve under the sink.

• Verify water supply: Confirm the shutoff valve to the dishwasher is fully open. Check for kinks in the stainless or plastic supply line.
• Clean inlet screen: Remove the lower kick plate, locate the water inlet valve where the supply line connects, and disconnect the line (have a towel ready). Inspect and clean the small screen filter inside the valve inlet using a soft brush.
• Check for debris in fill hose: Flush the supply line into a bucket to ensure strong water flow from the house plumbing.
• Valve coil test (advanced): With power off, disconnect the valve wires and measure coil resistance. Compare to JennAir specs; replace the valve if open or shorted.
• Replace inlet valve: If cleaning and supply checks do not restore filling, install a new JennAir-compatible water inlet valve and ensure all connections are leak-free.

Note: Always use new compression fittings or seals when reconnecting water lines to prevent leaks.