EN
29
Optional SAFE+ GPS Upgrade
RTF/BNF Basic
Troubleshooting Guide (SAFE
®
Plus)
Problem
Possible Cause
Solution
Aircraft will not respond
to throttle but responds to
other controls
AutoLand was not deactivated after landing
Deactivate AutoLand by pressing the AL/HP button or
changing fl ight modes and lower throttle
Home location has not been set
Set the home location
Direction of Airfi eld fence has not been set.
Use aileron command to set the fence location.
Ailerons go up
aircraft will not bind
to transmitter (during
binding)
Transmitter too near aircraft during binding
process
Power off transmitter, move transmitter a larger distance
from aircraft, disconnect and reconnect fl ight battery to
aircraft and follow binding instructions
Bind switch or button not held long enough
during bind process
Power off transmitter and repeat bind process
Aircraft or transmitter is too close to large metal
object, wireless source or another transmitter
Move aircraft and transmitter to another
location and attempt binding again
Aircraft was not placed upright
Place aircraft upright after powering up
Ailerons go up and
aircraft will not
respond to transmitter
(after binding)
Less than a 90-second wait between fi rst
powering on transmitter and connecting
fl ight battery to aircraft
Leaving transmitter on, disconnect and reconnect
fl ight battery to aircraft
Aircraft was not upright, level or motionless
Leaving transmitter on, disconnect and reconnect
fl ight battery to aircraft assuring that the aircraft is
upright, level and motionless
Aircraft cannot acquire a GPS signal
Turn off GPS
Move to an outdoor location away from metal or
concrete and try again
Aux1 (CH 6) reversed
Reverse Aux1
Aircraft will not enter
compass calibration
Aircraft cannot acquire a GPS signal
Move to an outdoor location away from metal or
concrete and try again
Motor does not
respond after landing
Over Current Protection (OCP) stops the
motor when the transmitter throttle is set
high and the propeller cannot turn
Fully lower throttle and throttle trim to
arm ESC
AutoLand has not been deactivated
Press and release HP/AL button to deactivate
AutoLand feature
Motor pulses but
battery is fully charged,
not an LVC motor pulse
Lost GPS Signal
Turn off the GPS functions
Try fl ying at a different location
The Delta Ray One aircraft is not compatible with DX4e or DX5e transmitters or the original version of the
MLP6DSM transmitter when using GPS features
IMPORTANT:
If the optional GPS module is installed, turn the GPS function off before doing a range test.