To test whether a garbage disposal is fully operational, follow a safe diagnostic sequence. First, ensure power is active by pressing the reset button on the bottom of the unit and checking your wall circuit breaker. Turn on the cold water faucet to a steady stream, flip the wall switch on, and listen for a smooth, consistent motor hum without grinding or binding. Feed a small handful of soft food scraps (like ice cubes or citrus peel) down the drain to verify that the impellers grind waste efficiently and drain freely. Verification: Check that water and food waste evacuate smoothly through the drain when the disposal runs.
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