Maintenance Manual

3. Tests and Diagnostics

 The computer will let the fan be “ON” after any key pressed. Feel the wind or

listen the rotating sound to check whether the fan is working or not.

NOTE: Remember to approach fan outlet that is near right side of unit whether fan is

“ON”.

 The computer will stop the fan working after any key pressed. Feel the wind or

listen the sound to check if the fan is “OFF”.

The screen should display as below, indicating whether the test is passed or failed after the

question.

Satellite L500 / Pro L500 Series T&D