• The system will not connect
•Your transmitter and receiver are too close together. They should
be 8 to 12 feet apart.
•You are around metal objects.
•Model selected is not the model bound to.
•Your transmitter was accidentally put into bind mode and is not bound to
your receiver anymore.
•Move transmitter 8 to 12 feet from receiver.
•Move to an area with less metal.
•Check model selected and ensure you are bound to that model.
•Rebind your transmitter and receiver.
• The receiver goes into failsafe mode a
short distance away from the transmitter
•Check the receiver antenna to be sure it is not cut or damaged. •Main and
remote receivers too close together
•Replace or contact Horizon Product Support
•Mount main and remote receivers at least 2 inches apart and perpendicular
to each other.
• Receiver quits responding during operation
•Inadequate battery voltage
•Loose or damaged wires or connectos between battery and receiver
•Charge batteries. Spektrum receivers require at least 3.5V to operate. An
inadequate power supply can allow voltage to momentarily drop below 3.5V
and cause the receiver to brown out and reconnect.
•Check the wires and connection between battery and receiver. Repair or
replace wires and/or connectors
• Receiver loses its bind
•Transmitter stand or tray could be depressing the bind button •Bind button
pressed before transmitter turned on
•If stand is depressing bind button, remove from stand and rebind. •Rebind
your system following binding instructions
• Receiver blinking at landing
•A brownout has occurred
•System turned on and connected then receiver turned off without turning
off transmitter
•Check battery voltage
•Turn off transmitter when receiver is turned off
• RPM won't read/display • Sensor too close to backplate; picking up tip of crank pin only • Move sensors away from backplate
• Temperature sensor seems to read low
• Temperature sensor mounted on front of cylinder head being hit by direct
prop blast
• Mount sensor behind cylinder head. When installing sensors note engine
temperature with engine properly tuned. Use this as reference value. If
temperature goes above this significantly, the engine is running too low
•Check all related mounting screws and linkages frequently. Aircraft often vibrate, causing linkages and screws to loosen.
12 SPEKTRUM DX8 • RADIO INSTRUCTION MANUAL
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