[megabot]

Dishwasher service code f4e1 is on the display. Dishwasher will not turn on. The unit is a kenmore elite model 66513963k017

[talaniman]

Resetting your dishwasher would be the first step and go from there,

Kenmore elite dishwasher - Fixya

If this doesn't solve the problem,or it persists,please review these links,

service code F4E1 66513963K017 Kenmore Elite ... | SearsPartsDirect

The F4E1 is a code that signifies a wash motor issue. Specifically, no communication. This is usually caused by a loose connection in wash motor circuit, motor communication circuit and/or an open wash motor.

Kenmore Elite Dishwasher service code F4E1 | ShopYourWay

1. Unplug dishwasher or disconnect power. 2. Check all connections in Wash/Rinse Circuit and Motor Communications Circuit with meter. Fix/replace an open connection/part. Motor fuse on control open. 1. Start Service Diagnostics Cycle using keypad and advance through the error code intervals to interval 19. ( shown on image below ) 2. Listen for 2 relay contact clicks at the start of interval 19 (to confirm both the pilot and motor relays are turning on.

AND

Faulty wash motor. 1. Unplug dishwasher or disconnect power. 2. Use inspection mirror to inspect for water leakage and/or overheating on the wash motor. If evidence of overheating exists, replace wash motor. If evidence of moisture exists, check seals and hoses

I only quoted the main parts in both links but review the whole thing in both. They have links to a service technician in case you cannot solve this on your own.