MAX Optical tester reporting Null Reference Exception when using the ODTR application


Applies to

MAX-700B series, MAX-700C series

Problem

MAX Optical tester reporting Null Reference Exception when using the ODTR application. This can occur following an upgrade of the unit or, more rarely, in normal operation. 

Troubleshooting steps

Possible Cause 1: System Configuration issue

Proposed Solution:

 

Possible Cause 2: Hardware issue 

Proposed Solution:

  • Request an RMA for repair at an EXFO authorized service center.