Troubleshooting - Kyosho NEXUS 30 S Instruction Manual

Troubleshooting

Problem
Engine will not start. Engine
starter will not spin.
Engine will not start though
engine starter spins.
Engine stalls.
Helicopter will not lift off.
Main rotor blades will not
track in same plane.
Strong vibration.
Clutch will not disengage.
Wears down quickly.
No rudder control.
Cause
Weak starter battery.
Too much fuel inside engine.
(It is ÒoverchokedÓ!)
Weak plug heater battery.
Defect plug.
Fuel line is obstruct.
Needle not unscrewed.
Starter spins in opposite direction.
Fuel line is obstructed.
Engine rpm are too low.
Low/Small main rotor pitch.
Needle unscrewed too much.
Unequal main rotor pitch.
Bent feathering shafts.
Defect ball bearings in main
rotor grips.
Left and right blades weigh differently.
Bent mast.
Bent tail drive (system).
Left and right blades weigh differently.
Idle rpm too high.
Needle too loose.
Blade pitch too big.
Loose screw on tail drive joint.
Wrongly installed tail rotor grips.
Loose screw on tail linkage joint.
Reverse gyro operation / direction.
P28
P23 47
P23 47
P15 26
Remedy
Recharge.
Remove plug. Using starter, eject excess
fuel.
Recharge or replace.
Replace.
Clean fuel line.
Adjust as per engine explanations.
Reverse battery connection. See P28.
Clean fuel line.
Raise throttle control stick a little.
Adjust hover pitch. See P24 48
Adjust as per engine explanations.
Adjust tracking. See P28.
Replace.
Replace.
Balance out. See P23 47 .
Replace.
Replace.
47
Balance out. See P23 .
Adjust as per radio explanations.
Adjust as per engine explanations.
48
Adjust. See P24 .
Check with every flight.
Check direction. See P15 26
Check.
Check as per radio explanations.
P28
P24 48
P24 48
.
.
35