How to Diagnose and Fix a Dishwasher That Trips the Circuit Breaker

Objective

Step-by-step guide to help you diagnose and repair a dishwasher that keeps tripping your circuit breaker.

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Safety First

• Unplug the dishwasher or switch off the circuit breaker powering it.
• Ensure no power is going to the unit before starting work.

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Step-by-Step Troubleshooting

1. Remove the Bottom Panel

   • Look for signs of water leaks inside the dishwasher.
     • Water can cause electrical shorts and trip the breaker.

2. Fix Water Leaks (if any)

   • Common sources:
     • Worn out seal
     • Loose hose
     • Cracked tub

3. Inspect the Heating Element

   • Look for visible damage (burns, cracks).
   • Use a multimeter to test for continuity.
     • If faulty, replace the heating element.

4. Check the Motor and Pump

   • Faulty motor or jammed pump can draw excessive current.
   • Indicators:
     • Strange noises or burning smells during recent operation.
   • Use a multimeter to check motor for electrical issues.

5. Inspect Internal Wiring

   • Look for:
     • Wear
     • Corrosion
     • Exposed wires
   • Tighten loose connections and replace damaged wires.

6. Test the Power Outlet

   • Plug another device into the dishwasher’s outlet.
     • If it also trips the breaker, the outlet or breaker may be faulty.
   • Contact an electrician if a replacement is needed.

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When to Call a Professional

• If all above steps fail or you suspect more serious electrical issues, consult a licensed technician.

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Conclusion

• Follow these steps to diagnose and possibly fix a dishwasher that trips the circuit breaker.
• For unresolved problems, seek professional help.

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