What event make the vibration motor vibrate in the Cockpit SX12?

[Viljo56]

What event can cause the vibration motor in my Cockpit SX12 to start vibrating? It happened to me today when I was testing FlightRecorder in my EasyGlider Pro. When I got home I checked the log file and saw that at a short moment, a few tenths of a second, the FlightRecorder had detected a drop in LQI to 80%. Could that have been what caused the vibration motor to start, it was a strong vibration albeit short-lived?
I have the latest software in the transmitter and in the RX-7-DR compact receiver. I can't find any information about vibration alarms in any manual for the devices. I am attaching some pictures from the log file.

/Ville

[Viljo56]

Hmmm, too bad no one can help me with my question...

/Ville

[X-man]

Each Sensor Alarm could activate the vibration.
Lqi 80% is not a Problem don't worry

[Viljo56]

Thanks X-man for the answer. I'm not worried about the LQI value, just curious as to why the vibrator motor started. I only have the Mpx vario connected and have no alarms set on it. I also checked the receiver and transmitter to see if any checkboxes were checked/unchecked, but I can't find anything like that. The reason I reacted is that the vibration was so strong, albeit short-lived. I always have an Altis connected but only as a logger, no telemetry from it.
I only use ESC-bec in this model, otherwise I use a backup battery in my "finer" F3J/F5J models. I don't know how the system reacts to a short power loss from the bec circuit if that were to happen?

/Ville

[X-man]

If you have a power loss vibration also occurs. But if your read after flight your receiver values with the PC you could check if there are any signal or power problems.

[Viljo56]

Yes, I know, but these "Error counter" from the receiver disappear on restart if you don't save them by pressing the set button on the rx, but I'll check check if/when the next event. In EasyGlider which is the only model I've used SX12 and in which the warning occurred I can access the receiver quite easily but it's more difficult/impossible in most of my FXJ gliders.
I've used Multiplex for many years but SX12 is new to me so I'm trying to learn it and I can't find any info about what and when the vibration motor warns.
Thanks for the help anyway.

/Ville