To display exact abnormality countermeasures by estimating and setting various cases where failure and abnormal situation may occur after the installation of a drying machine, and with the lapse of day and time after the start of an operation.

The abnormality processing device of this grain drying machine is constituted to display contents of inspection according to a lapse time of a drying operation by detecting abnormality of motors and sensors of an elevator, a fan and the like of the drying machine during a grain drying operation time. The time of drying operation is constantly detected and integrated by a hour meter and the like when the drying machine is installed and its drying operation is started. When the abnormality occurs in any of these motors and sensors, the occurrence of the abnormality is displayed on a display portion, and the contents of inspection determined in advance according to the drying operation use time by the hour meter at a time point of the occurrence of abnormality, are displayed on the display portion. A worker sees the displayed contents on the display portion, and checks abnormal parts to perform maintenance and repair.