F09
JennAir Overflow or Water Leak Detected

Display shows F09 and the unit may stop with water in the drum or not start at all.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Leaking tub or hose triggering overflow sensor, stuck inlet valve, faulty pressure switch, water in base pan activating float switch (if equipped)

How to Fix / Troubleshooting

Safety first: Disconnect power and turn off water supplies. Be prepared for water cleanup.

  • Check for visible leaks: Remove front lower or rear panel and inspect hoses, tub-to-pump hose, and pump body for drips or water trails.
  • Inspect base pan: If your JennAir combo has a leak tray with float switch, look for standing water. Sponge out all water and dry the area thoroughly.
  • Examine inlet valves: With water turned on and unit unplugged, verify that no water is entering the tub. Replace any valve that allows seepage.
  • Verify pressure system: Ensure the pressure hose and switch are intact and not blocked, as a blocked hose can misreport water level.
  • Test operation: After fixing leaks and drying the base, restore power and run a short cycle while monitoring for new leaks.

When to call a technician: Cracked tubs, internal manifold leaks, or inaccessible hose leaks should be handled by a professional.

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Repair Difficulty

Hard 4/5

Required Part

Tub-to-Pump Hose
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