3 5
3 5
3 5
3 5
3 5
Reference
Troubleshooting
If your system fails to operate or you experience a short range problem or erratic
control. Check the table below for reasons you may be having these problems. After
you followed the suggestions listed and the problem is not corrected return the sys-
tem to our service department for inspection and repair.
(Symptom)
Voltage display
does not work.
System oper-
ates intermit-
tently
o p e r a t i n g
range is short
S y s t e m d o e s
not operate
Receiver does
not operate
S e r v o m o v e -
ment is abnor-
mal.
s e r v o o p e r a -
tion is sluggish
System opera-
tion is erratic
when the mo-
tor is running
(Item Check)
Transmitter
Battery
Dead battery -> Change the batteries. Charge the Nicad
Batteries inserted incorrectly. -> Reload the batteries in accordance
with the polarity markings
Faulty contact -> Check to see if the contacts are bent and not making
good contact
Dirty contacts -> Clean the contacts and check for corrosion.
Antenna
Loose -> Be sure the antenna is screwed in tightly
Not fully extended -> Fully extend the antenna
Crystal
Loose -> Push the crystal in firmly
Wrong Band -> Be sure the transmitter and receiver frequencies match
Wrong type or brand -> Replace with genuine Futaba crystal
Receiver
Battery
Dead battery -> Replace or recharge
Wrong polarity -> Check connections
Antenna
Near other wiring -> Move away from wiring
Was antenna cut -> Request repair
Is the antenna bundled or coiled -> Keep the antenna straight and as
much in the air as possible
Crystal
Loose -> Push in firmly
Wrong brand -> Be sure the frequencies match in transmitter and re-
ceiver
Connector connections
Wring incorrect -> Insert all connectors firmly
Loose connections -> Push the connector in firmly
Linkage
Binding or loose -> Adjust the linkage in model
Is movement stiff -> Adjust linkage in model
Motor (Electric powered)
Noise problems -> Install capacitors on motor
