initialy freezer was ok and fridge warm. a repairman told us we needed to replace the main bd, evap fan a motor which i did. there was a lot of frost on evap coil which i cleaned. fridge still warm and freezer seem ok but may not be. now i see frost inside the frsh food vents which i did not notice before(it's possible that it was there when i cleaned the evap coil from frost). i want to start checking the defrost time, defrost heater for proper operation but can't seem to locate info about where things are. is there a service manual.
what should i do first?
thanks