Arrived at location on 8/31/22 - Examine unit found blower motor not turning check frequency drive board no power out to motor. 120 volts to board green and yellow light lit yellow light means board waiting for signal. Called Cleveland tech support went in to programming blower motor working not working in cook cycle found relay board bad will order part. Returned to location on 9/7/22 - Removed and replaced relay board tested same issue, fan not running called Cleveland tech support back and found door switch bad removed relay board and installed old one customer wanted relay board for spare part will order 2. door switches. Returned to location on 9/12/22 - removed top and slid cover off of unit. Removed bad switch and installed new. Reinstalled cover and top portion. Tested, unit works in all modes and fan spins.