Newly installed sump pump sitting in a basement sump pit

Dishwasher trips the breaker or GFCI

A GFCI trip means current leaking to ground, often from a cracked heating element, water on heater terminals, or a leaking pump. Isolate loads one at a time with power off.

Cross-checked ~60 min advancedBrands: All

Before you start

Breaker off before every disconnect
Water near electrical parts: dry fully before restoring power
Any check with power on is a caution step

Diagnostic steps

Unlock all 4 steps with expected values

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

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