ThingMagic M5e-Compact - Manual (Page 227)

Analog Hardware Abstraction Layer Faults
Appendix C: Error Messages 227
Analog Hardware Abstraction Layer Faults
FAULT_AHAL_INVALID_FREQ – 500h
Cause
A command was received to set a frequency outside the specified range.
For example, in North America the frequency range is from 902 MHz to 928 MHz.
Solution
Check the values you are trying to set and be sure that they fall within this range.
FAULT_AHAL_CHANNEL_OCCUPIED – 501h
Cause
With LBT enabled an attempt was made to set the frequency to an occupied channel.
Solution
Try a different channel.
FAULT_AHAL_TRANSMITTER_ON – 502h
Cause
Checking antenna status while CW is on is not allowed.
Solution
Do not perform antenna checking when CW is turned on.