4ghz troubleshooting guide – Spektrum SPMAR12200 User Manual
Page 20

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2.4GHz TROUbLESHOOTING GUIDE
Problem
Possible Cause
Solution
The system will
not connect
Transmitter and receiver are
too near each other
Move transmitter 8 to 12
feet (2.4 to 3.6m) from
receiver
Receiver is close to a large
metal object
Move away from large met-
al objects (vehicles, etc.)
Selected model is not bound
in transmitter
Make sure correct model is
selected and that transmit-
ter is bound to the model
Transmitter accidentally put
in bind mode so
bind is lost
Rebind transmitter and
receiver system
The system goes
into failsafe mode
a short distance
away from the
transmitter
Check the receiver
antennas to be sure they are
not cut or damaged
Replace or contact Horizon
Product Support
Receivers are too near
each other
Install receivers at least 2
inches (51mm) apart and
perpendicular to each other
Receiver system
quits responding
during operation
Low battery voltage
Completely recharge flight
battery
Loose or damaged wires or
connectors between battery
and receiver system
Do a check of the wires and
connection between bat-
tery and receiver. Repair or
replace wires and/or
connectors.
Receiver loses
its bind
Transmitter stand or tray
could be pressing the bind
button
If stand is pressing bind
button, remove from stand
and rebind
Bind button pressed before
transmitter powered on
Rebind by following binding
instructions
Receiver blinking
at landing
Brownout occurred
Check battery voltage
System was powered on and
connected, then receiver
powered off without
powering off transmitter
Power off transmitter when
receiver system is pow-
ered off
System taking
longer than usual
to link with
transmitter
System is operating on DSM2
DSM2 receivers can take
longer to link with trans-
mitter