E07 appears and the dishwasher may not circulate water; spray arms do not spin and dishes remain dirty.

Safety first: Disconnect power and turn off water before accessing the base of the dishwasher.

• Confirm symptom: Start a cycle and listen. If you hear filling but no strong wash motor sound (only a faint hum or silence), the circulation pump is suspect.
• Access circulation pump: Remove the toe-kick panel. Tilt the dishwasher slightly (with help) if needed to access the bottom. Locate the Viking circulation pump attached to the sump.
• Check for obstructions: Disconnect the pump from the sump (twist-lock or screws). Inspect the impeller for broken fins, glass, or food debris. Remove any obstruction and ensure the impeller spins freely.
• Test motor windings: With the pump disconnected, use a multimeter to check resistance across the motor terminals. An open circuit or very low resistance indicates a failed motor.
• Inspect capacitor (if present): Some Viking pumps use a start/run capacitor. Visually inspect for bulging or leakage and test capacitance with a meter. Replace if out of spec.
• Replace pump if needed: Install a new Viking circulation pump assembly, ensuring all seals and clamps are properly seated to prevent leaks.