PROBLEM TO BE SOLVED: To stop operation of a discharge auger when a power supply of a wireless remote control is turned off.SOLUTION: When auto power off means 42 that is turned off when a wireless remote control 35 is not used for a prescribed time or power off means 43 that is turned off when a voltage of a battery is lowered to a prescribed value or less is functioned, the remote control outputs a signal to a machine-side control unit and the control unit stops automatic turning or grain discharge under operation. Simultaneously, a horn makes a sound to notify an operator of the stop.COPYRIGHT: (C)2014,JPO&INPIT【課題】無線式リモコンの電源がオフになると、排出オーガの作動を停止する。【解決手段】無線式リモコン35を所定時間使用しない場合オフとなるオートパワーオフ手段42、又は電池の電圧が所定値以下に低下した場合オフとなるパワーオフ手段43が機能する際に、該リモコンから本機側制御部に信号を出力し、制御部は、作動中の自動旋回又は穀粒排出を停止する。同時にホーンを吹鳴し、オペレータに報知する。【選択図】図7