Fly ash dryer in operation, should be closely observed the operation of the equipment. If the following abnormal situation should be promptly treated, before re-production after troubleshooting: 1) whether the material easy to block parts of the blockage; 2) whether the conveyor deviation exceeds the specified range; 3) fly ash dryer motor, reducer surface temperature of the bearing temperature exceeds a predetermined range; 4) without loosening the flange joint of whether there is leakage and dust; 5) and slide pipe duct clogging and dust aggregation; 6) hot air pipe and Other weldments whether the open-drain leakage welding grain; 7) fly ash dryer each device current, voltage index is normal; 8) the operation of each device, with or without abnormal noise and abnormal odor and so on; 9) by After the fly ash dryer drying material yield, water, color meets the requirements.