| 摘要 |
PURPOSE:To prevent an abnormal temperature increase in a body by a method wherein even if a ventilating hole of a cooling fan is closed by a user, the release of the ventilating hole is urged to the user while a power supply to a heating part in the body causing a temperature increase is suppressed. CONSTITUTION:When ventilating hole is closed, a change in ventilating resistance Q is read from a motor electric current value I, and a warning is displayed on an operation panel, whereby a power supply to a heating part in a body is cut or reduced for preventing an abnormal temperature increase. |
