The AUX Channels aren't mapped correctly.

If the wrong channel moves when you flip a switch, the radio may need to be reprogrammed.

If the channels aren’t mapped correctly:

For RubiQ 1.0 or 1.5, first switch the Channel Map to TAER1234, save, and test the sticks again.

RubiQ Channel-Map-Troubleshooting-1.6.2-TAER

If the channels are still mapped wrong, or you're using a newer version of RubiQ:

The radio may need to be reflashed to the original settings or manually reprogrammed.

Or, or consult your radio’s user guide for manual setup instructions.