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EXFO IQS-1500 Power Meters for IQS-500/600 User Manual

Page 104

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Troubleshooting

96

IQS-1100/IQS-1500

Solving Common Problems

Questionable

readings displayed.

The detector or

optical connectors

are dirty.

Clean the detector and all

optical connections.

The wavelength

selection is

improper.

Switch to the correct

wavelength on all instruments

being used.

The offset nulling is

incorrect.

Perform an offset nulling with

protective cap installed.

The optical source is

unstable.

Wait for source to stabilize (at

least 60 minutes).

The correction factor

is incorrect.

Reset the correction factor to

0.000 dB or 1.000 W/W.

Problem

Probable Cause

Recommended Action

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