Troubleshooting Guide; Parts List - Spektrum DX7s Instruction Manual

TROUBLESHOOTING GUIDE

Problem
Transmitter and receiver are too near each other
Throttle channel is reversed
The system will
Selected model is not bound in transmitter
not connect
Transmitter accidentally put in bind mode so
receiver is no longer bound
Check the receiver antenna to be sure it is not cut or
The receiver goes
damaged
into failsafe mode a
short distance away
Main and remote receivers too near each other
from the transmitter
Low battery voltage
Receiver quits
responding during
Loose or damaged wires or connectors between
operation
battery and receiver
Transmitter stand or tray could be pressing the bind
Receiver loses its
button
bind
Bind button pressed before transmitter powered on
Loss of power to the receiver during flight
Receiver slowly
System powered on and connected then receiver pow-
blinking at landing
ered off without powering off transmitter
Receiver taking
longer than usual to Transmitter and receiver are operating on DSM2
link with transmitter

PARTS LIST

Number Description
SPMA9568 Battery Door, DX7s Painted
SPMB2000NMTX 2000mAh 4.8V TX Pack: DX8, DX7s
SPM6831 Replacement Antenna: DX8, DX7s
SPM9551 International 12V Transmitter AC Adapter
SPM6701 Spektrum Deluxe Transmitter Case, Aircraft
SPM6702 Spektrum Transmitter Case Foam
SPM6706 Spektrum Deluxe Double Transmitter Case,
Aircraft
SPEKTRUM DX7s • RADIO INSTRUCTION MANUAL
Possible Cause
Number
SPM6707
SPM6708
SPM6709
SPM6803
SPM9540
HAN172
SPM6805
Solution
Move transmitter 8 to 12 feet (2.4 to 3.6m) from receiver
Move away from large metal objects (vehicles, etc.)
Make sure correct model is selected and that transmitter
is bound to the model
Rebind transmitter and receiver
Replace or contact Horizon Product Support
Install main and remote receivers at least 2 inches
(51mm) apart and perpendicular to each other
Completely recharge flight battery
Do a check of the wires and connection between battery
and receiver. Repair or replace wires and/or connectors
If stand is pressing bind button, remove from stand and
rebind
Rebind by performing binding instructions
Check battery voltage
Power off transmitter when receiver is powered off
DSM2 receivers can take longer to link with transmitter
Description
Spektrum Double Transmitter Case Foam,
Aircraft
Spektrum Single Stand Up Transmitter Case
Spektrum Single Stand Up Transmitter Case
Foam
Male/Female Universal Bind Plug
Spektrum Flight Log
Digital Servo and Receiver Current Meter:
Hangar 9
Trainer Cord
EN
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