• Check that the home water supply shutoff valve under the sink is fully open by turning it counterclockwise• Verify your home's main water supply is running by checking other faucets• Inspect the inlet hose for kinks, twists, or pinches along its entire length• Disconnect the inlet hose from the back of the dishwasher and check for mineral deposits or debris in the hose screens• Flush the inlet hose with water from a sink to remove any clogs• Clean or replace the inlet hose screens if they appear clogged with white or brown mineral buildup• Verify the dishwasher door is closing completely and latching firmly• Check that the circuit breaker for the dishwasher has not tripped in your home's electrical panel• Power cycle the dishwasher by unplugging it or turning off its breaker for 60 seconds, then restore power• Run a test cycle after reconnecting the inlet hose to see if the error clears• Ensure no detergent residue is blocking the detergent dispenser cup or door