interference
Troubleshooting
PROBLEM
CAUSE
REMEDY
Model will not move/
No batteries in transmitter/model
Install batteries
Battery installation is incorrect
Install batteries correctly, noting
+ & - symbols
Weak batteries in transmitter
Replace/recharge batteries
Weak batteries in model
Replace/recharge batteries
Radio interference
Relocate or change crystals
Connector disconnection
Reinsert connector(s)
Tx/Rx* crystal disconnected
Push in crystal(s)
Dirty battery contacts
Wipe clean with dry cloth
ON/OFF switch in ‘OFF’ position
Move ON/OFF switch to ‘ON’
position
ON/OFF switch is defective
Replace ON/OFF switch
No control of model
Weak batteries in transmitter
Replace/recharge batteries
Weak batteries in model
Replace/recharge batteries
Radio interference
Relocate or change crystals
Limited radio range/
Weak batteries in transmitter
Replace/recharge batteries
Weak batteries in model
Replace/recharge batteries
Transmitter aerial loose
Tighten transmitter aerial
Transmitter aerial cannot be extended
Replace transmitter aerial
Receiver aerial damaged/cut
Return receiver for repair
Motor (electric model) not suppressed
Fit motor suppressors
* Tx = Transmitter / Rx = Receiver
Please retain this information for future reference.
does not recieve a
signal
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