Both sides of unit are not cooling. Pulled unit out and compressor not running or even warm. Makes no atempt to start. What tests can I run to confirm bad control board. Also no power on black or orange wire going to compressor. Fans are all running.
Remove the motherboard and check the solder joints in the back behind the big power relay. If ok. place a wire jumper between the 3 pin power connector pins that mate with the motherboard labled pins line and comp.Plug fridg in. If the compressor runs, replace the board AP4436216
The compressor used to stop working once in 3 or 4 months since last year and would restart after the unit is disconnected from power for a few hours. Yesterday it did not respond to that trick. I pulled out the control board and found that there was one solder joint that was disconnected. Soldered it back on and, yep, the compressor kicked up and the fridge is happily humming away. Thank you richappy for the lead.