| If a failure phenomenon occurs | CASE1 | Although the motor is rotating, only cool air comes out. |
| CASE2 | The motor does not rotate and the heating element is not heated. | |
| CASE3 | Air flow volume cannot be adjusted. |


| If a failure phenomenon occurs | CASE1 | Although the motor is rotating, only cool air comes out. |
| CASE2 | The motor does not rotate and the heating element is not heated. | |
| CASE3 | Air flow volume cannot be adjusted. |