ThingMagic M5e-Compact - Manual (Page 229)

Analog Hardware Abstraction Layer Faults
Appendix C: Error Messages 229
Check environment to ensure no occurrances of high signal reflection back at
antennas.
FAULT_AHAL_INVALID_ANTENA_CONFIG – 507h
Cause
An attempt to set an antenna configuration that is not valid based on the current GPIO as
Antenna Switch setting applied using Set Reader Configuration(9Ah) .
Solution
Use the correct antenna setting or change the reader configuration.