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9 troubleshooting, Solving common problems, 9troubleshooting – EXFO IQS-2400 WDM Laser Source for IQS-500/600 User Manual

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WDM Laser Source

69

9

Troubleshooting

Solving Common Problems

Problem

Probable Cause

Recommended Action

LED push button does not

illuminate.

Power not on.

Check AC power cord and turn on

the controller and expansion units.

Module is not

properly inserted.

Turn off the controller and expansion

units, remove and reinsert the

module.

Computer is

locked up.

Reboot the controller unit.

LED is burnt.

Contact EXFO.

Pushing the LED push

button does not open the

module main window.

Computer is

locked up.

Reboot the controller unit.

Source appears unstable.

Insufficient

stabilization time.

Wait a minimum of 60 minutes for

optimum stabilization.

Reflection

destabilizing the

source.

Connect the source using an optical

isolator.

Ambient

temperature

varies.

Control ambient temperature.