beautypg.com

EXFO PSO-100 Series Optical Sampling Oscilloscopes User Manual

Page 102

background image

Troubleshooting

94

PSO-100

Solving Common Problems

The LED indicator on the front

panel is off even if the unit is

turned on.

AC adapter is not

plugged in correctly.

Plug in the AC

adapter.

The instrument chassis is

warm.

The fan is off.

Contact EXFO.

Problem

Cause

Possible Solution