What is the problem reported with the FF-980REV?

When turned on, the FF-980REV gives an "initialization error" and does not perform its functions.

What causes the FF-980REV initialization error?

The initialization error on the FF-980REV is identified as an FPGA (Field-Programmable Gate Array) problem.

Can the FF-980REV initialization error be fixed with a firmware update?

No, this FPGA problem cannot be solved by updating the firmware.

What is the recommended solution for the FF-980REV initialization error?

The best method to solve the FF-980REV initialization error is to change the PCB (Printed Circuit Board).

Home/Blog/OTDR FF-980REV/There is a problem with FF-980REV. When turned on, it gives the error “initialization error” and does not perform its functions.

There is a problem with FF-980REV. When turned on, it gives the error “initialization error” and does not perform its functions.

August 28, 2026August 27, 2026 by Eric Yang - Technical Support

A Customer complains “There is a problem with FF-980rev. When turned on, it gives the error “initialization error” and does not perform its functions.”

MINI-PRO OTDR FF-980REV hardware initialization error screen

This is FPGA problem. it can not be solved by update firmware. The best method to solve it is to change PCB.

Eric Yang — Senior Technical Support Engineer

Eric specializes in PON network testing, OTDR diagnostics, and optical fiber monitoring solutions at FirstFiber Technologies.
✉️ Email: tech@firstfibertech.com

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Eric Yang — Senior Technical Support Engineer

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