now i got these errors which i did not have before
CFG-ERR=Re-calibrate your transmitter,and power cycle your controller and check all of the parameters.Configuration error, this may cause by firmware upgrade from old version.or abnormal Tx calibration
SN-ERR
X1-ERR / X2-ERR / X3-ERR 1.Power on the Tx.2.Connect the X1/X2/X3 channel;
3.Disable all knob tuning.You’ve chose parameters tuning by X1/X2/X3 channel with Tx Knob, but no signal detected on X1/X2/X3 input channel,or Tx didn’t powered on.
PMU-ERR=Please make sure the integrated connection among battery, MC and PMU.PMU connection problem.
RX-ERR=Please check the receiver connection