Brand: Whirlpool
Model Number: Dishwasher
Main Symptom: Cirulator pump works intermittently
What happens & when: Replacement pumps (2 from Amazon) make grinding noise, then runs smoothly for about 30 seconds, turns off for about 30 seconds then repeats this process a few times then will not start again.
Error Code (if any):
Parts or tests already tried: Askoll M310 (2 from Amazon exhibit same behavior)
Photos / video link: