6 Troubleshooting
Solutions to Common Problems
The following table presents common problems an their solution.
Problem
Display is blank
Batteries are low
Questionable attenuation
Error code
FVA-600
Solution
Press
.
Verify and connect AC adapter/charger.
Connect AC adapter/charger.
Switch input and output power.
Switch to the correct wavelength on all
instruments being used.
Perform a zero on the unit.
Restart unit.
If problem persists, contact EXFO.
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