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.
Possible Cause 1: System Configuration issue
- Perform a Recovery on the unit. Please refer to the knowledge article How to perform a recovery on the MAX optical unit, for instructions.
Possible Cause 2: Hardware issue
- Request an RMA for repair at an EXFO authorized service center.