Garmin G1000 Diamond DA62 Pilot's Manual page 576

ADDITIONAL FEATURES
If a failure still exists, the following messages may provide insight as to the possible problem:
Message
CHECK ANTENNA
UPDATING
NO SIGNAL
LOADING
OFF AIR
---
WEATHER DATA LINK FAILURE
ACTIVATION REQUIRED
562
Message Location
XM Radio Page ‑ active channel field
XM Radio Page ‑ active channel field
XM Radio Page ‑ active channel field
Weather Datalink Page ‑ center of page
XM Radio Page ‑ active channel field
XM Radio Page ‑ active channel field
XM Radio Page ‑ active channel field
Weather Datalink Page ‑ center of page
Weather Datalink Page ‑ center of page SiriusXM subscription is not activated
Table 8-7 GDL 69/69A Data Link Receiver Error Messages
Garmin G1000 Pilot's Guide for the Diamond DA62
Description
Data Link Receiver antenna error; service required
Data Link Receiver updating encryption code
Loss of signal; signal strength too low for receiver
Acquiring channel audio or information
Channel not in service
Missing channel information
No communication from Data Link Receiver
within last 5 minutes
190-01895-00 Rev. A