Hobart Overdosing of Chemicals

Hobart dishwasher chemical usage is abnormally high; detergent or rinse aid containers empty quickly.

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Possible Causes

Dosing pump settings too high, Incorrect pump calibration, Chemical leaks at tubing or fittings, Wrong concentration product used

How to Fix / Troubleshooting

Safety first: Wear appropriate PPE when handling chemicals.

  • Review pump settings: Access the detergent and rinse aid pump controls and compare settings to your chemical supplier’s recommendations. Reduce dosage if above target.
  • Check for leaks: Inspect chemical tubing, connections, and pump heads for leaks that could waste product.
  • Calibrate pumps: Perform a timed pump output test (per Hobart/chemical supplier instructions) and adjust calibration to deliver the correct volume.
  • Verify product strength: Ensure you are using the correct concentration of detergent and rinse aid; super-concentrates require lower dosing.
  • Monitor usage: Track chemical consumption over several days to confirm that adjustments have normalized usage.
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Repair Difficulty

Easy 2/5

Required Part

Detergent / Rinse Aid Dosing Pump
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