EXFO FPM-600 Power Meter - Manual (Page 63)

Troubleshooting
Power Meter/Light Source/Optical Loss Test Set 57
Error Codes and Descriptions
Error Codes and Descriptions

ER: error code displayed until you press a key.

WR: warning code displayed for 3 seconds, then unit returns to
normal.
Error
Code
Description Solution
LIGH Light detected while nulling
offsets. Nulling is not
performed.
Correctly place protective cap
on detector port, then retry.
FULL Storage memory full. Delete data.
EMPt Storage memory empty:

You pressed Recall but no
data was saved.

Last saved data deleted.

All data deleted.
Add data.
29/30/
34/36/
56/57
Calibration errors. Contact EXFO.
18/52 Incompatible wavelengths or
power too low in PREF on
FOT-600.
Match source and power
meter wavelengths or increase
source power.