What does "Error Code 41: FLARM radio" mean?

In rare circumstances, sensitive RF components can get damaged. Such a defect causes (illegal) spurious emissions of the device in licensed frequency bands, such as mobile phone bands. Such devices must be repaired.

After turning on the device, the PowerFLARM firmware automatically detects this condition. This is shown as Error 41. In the log file, typically lines as shown below appear.

WARN RF Radio A appears to be damaged
ERROR PFAPP *** Initialization failed: FLARM radio

At the end of the log file, the following error message is emitted once per second for 30 seconds.

INFO PFAPP Error: Severity = 2, code = 41: FLARM radio

If this error appears, the device must be repaired. Please see https://support.flarm.com/hc/en-us/articles/360018800273-How-do-I-get-my-device-repaired- on how to proceed.

Always make sure to check your installation (see FTD-041).

Affected devices: PowerFLARM Core and PowerFLARM Core Pure

Introduced: PowerFLARM firmware 7.06