13. Troubeshooting
RC system
RC system does not work
Transmitter and/or receiver batteries are empty
Batteries inserted incorrectly
Plug of receiver batteries has come loose
Transmitter range too short
Transmitter and/or receiver batteries are low
Received power of aerial too low
Receiver aerial has been cut off
Servos do not respond properly
Transmitter and/or receiver batteries are low
Pinions in the servo gear do not engage properly or are faulty
Adjusting rings on the control arms are loose
Servo reverse switch has accidentally been switched to "REV"
RC system does not work properly
Plug of receiver batteries has come loose
when the engine is running
Receiver is damaged, e.g. after a crash
Engine or fuel system
The engine does not start
Defective glow plug or empty starting battery
Starting battery defective
Fuel tank is empty or carburettor is not filled
Carburettor is not adjusted correctly
Fuel is old or impure
Combustion chamber is full of fuel (engine flooded)
Secondary air is sucked in via the fuel tube or the engine
Servo linkage is not adjusted correctly
Fuel tube, air filter or exhaust pipe blocked
Engine is not supplied with fuel
Main jet needle completely screwed in
Idle speed mixture too lean
Fuel tubes bent
Fuel tank defective
All manuals and user guides at all-guides.com
Replace the transmitter and/or the receiver batteries
Check the polarity of the batteries
Reconnect the plug tightly
Replace the transmitter and/or the receiver batteries
Completely unroll the receiver aerial and lay it upwards
Have the receiver repaired
Replace the transmitter and/or the receiver batteries
Have the servo repaired or replace it
Fasten the adjusting rings again, use factory settings
Switch the servo reverse to "NORM"
Reconnect the plug tightly
Have the receiver repaired
Replace the glow plug, charge the starting battery
Replace the starting battery
Fill the fuel tank and pump fuel to the carburettor
Re-adjust idle speed and main jet needle
Replace the fuel and check the fuel filter
Unscrew the glow plug and proceed as described in the
corresponding section
Check/replace the fuel tubes and/or fasten all engine screws
Put servo in neutral position and re-adjust it
Clean blocked parts, replace them if necessary
Reset the main jet to factory settings
Reset the idle speed mix adjustment screw to
factory settings
Check and straighten out the fuel hoses
Replace the fuel tank
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