Hobart LXe - Will Not Fill Or Will Not Fill High Enough

🛑 Critical / Stop Operation
Warning: The information provided here is for educational purposes only. Working with commercial kitchen equipment involves high voltage, gas, and high temperatures. We strongly recommend contacting a certified service technician for any repairs. We are not responsible for any damage or injuries resulting from DIY repair attempts. This information is provided 'as is' without any guarantees of completeness or accuracy.

TLDR

On your LXe SERIES DISHWASHERS unit, an incomplete or absent water fill often indicates a problem with the incoming water supply. This can stem from insufficient water pressure, a clogged hose strainer, or main water supply valves that are either closed or malfunctioning, preventing the necessary water volume from entering the machine.

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Technical Details

Repair Steps:

  1. Verify Main Water Supply: Ensure that the main water supply valve feeding the dishwasher is fully open. Check for any upstream shut-off valves that might be partially or completely closed, restricting water flow to the unit.
  2. Inspect Incoming Water Pressure: Confirm that the site’s dynamic water pressure meets the minimum requirements specified in your HOBART LXe SERIES DISHWASHERS installation manual. Low water pressure can prevent the fill cycle from completing or reaching the adequate level.
  3. Clean Inlet Hose Strainer: Locate the water inlet hose connection at the back of the dishwasher. Shut off the water supply, disconnect the hose, and carefully remove the internal mesh strainer. Inspect it for accumulated debris, scale, or sediment, and clean it thoroughly under running water before reassembling. A clogged strainer significantly reduces water flow.
  4. Check Fill Valve Operation: If the above steps do not resolve the issue, the water inlet (fill) valve itself may be faulty. With power disconnected and water supply off, use a multimeter to check for continuity across the solenoid coil. If the coil is open or shorted, the valve will not open to allow water in. This step should be performed by a qualified technician.
  5. Bleed Air From System: Sometimes, air pockets in the water line can cause intermittent fill issues. After ensuring all connections are tight and the supply valve is open, briefly run a cold water tap nearby to help purge any trapped air from the supply line feeding the dishwasher.

Common Questions:

Q: Why is my Hobart LXe dishwasher not filling with enough water?

A: This is commonly caused by low incoming water pressure, a clogged water inlet hose strainer, or a partially/fully closed main water supply valve. Less frequently, it could be a faulty water inlet valve.

Q: How do I check the water pressure for my Hobart LXe dishwasher?

A: You can typically use a water pressure gauge attached to a nearby faucet or a dedicated test point on the water supply line. Refer to your dishwasher’s manual for the specific minimum dynamic pressure required.

Q: What does a clogged hose strainer affect in a dishwasher?

A: A clogged hose strainer restricts the flow of water into the dishwasher, leading to insufficient fill levels, extended fill times, or the machine failing to fill at all. Regular cleaning prevents these issues.

When to call a technician

For this error, we recommend calling a certified technician. Do not continue operation or attempt repair yourself.

  • Equipment shows a critical or stop-operation fault.
  • You smell gas, burning, or see smoke or sparks.
  • Error returns after following the steps above.
  • You are not trained to work on this equipment.
  • Warranty or safety could be affected by DIY repair.

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Our certified technicians can help you on-site.