Component guide
Circulation pump
Moves wash water through dishwasher spray systems.
What it does
Moves wash water through dishwasher spray systems.
Symptoms that can involve this component
Weak/no spray, poor wash, circulation noise.
Other causes that can look similar
Filter/sump obstruction, pump/impeller, motor, control/wiring.
Homeowner-safe observations
Record the exact error code, when it occurs, noises, visible water/frost, and whether the problem is consistent. Use only user-accessible filters, vents, hoses or controls described in the owner manual.
When service is appropriate
Internal electrical measurements, energized testing, gas work, sealed refrigeration work and component replacement should be handled according to the manufacturer service information by a competent person.