Losi LOS04002 - Manual (Page 10)

LOSI LST XXL 2 • INSTRUCTION MANUAL 10 EN
Possible Cause Solution
ENGINE DOES NOT START
Out of fuel Refi ll the tank and follow starting instructions.
Engine fl ooded Remove the spark plug. Roto-start for 3 to 5 seconds. Replace and test
Air fi lter is clogged Check and replace if necessary
Fuel mixture is old or bad Mix fresh fuel per instructions
Spark plug is not working Check the spark plug and ignition coil and replace if necessary
Throttle servo failed/Setup is wrong Check servo operation. Set it to neutral and reset the linkage according
to your radio and model manufacturer's specifi cations
Carburetor is incorrectly adjusted Return the carburetor to the factory settings and retune if necessary
Piston and cylinder is worn Check the piston and cylinder for wear or damage and replace if necessary
Vehicle's power switch is not in the on
position Locate the power switch on the side of the receiver box and switch to ON
position
ENGINE STARTS THEN STALLS
Out of fuel Refi ll the tank and follow starting instructions
Air fi lter is clogged Check and replace if necessary
Engine may be overheated Let the engine cool. Reset the carburetor to factory settings and restart
Engine idle is too low Follow the instructions to increase idle speed
Carburetor is incorrectly adjusted Return the carburetor to the factory settings and retune if necessary
Clutch is slipping or locked-up Check the clutch for worn/broken lining or spring. Also check clutch
bearings and ensure free rotation
Fuel mixture is old or bad Mix fresh fuel per instructions
Throttle servo is improperly set up Set the servo to neutral and reset the linkage according to radio and model
manufacturer's specifi cations
Drivetrain is not functioning properly Check the drivetrain for smooth operation/damage
ENGINE IS RUNNING, BUT VEHICLE DOES NOT MOVE
Brakes are stuck Look for damage or foreign matter locking the brakes
Drivetrain is damaged Check for damaged driveshaft or diff. Replace as needed
Receiver battery capacity is low Charge the receiver battery
Radio is not responding despite charged
battery Make sure binding is properly set up
ERRATIC CONTROL
Transmitter and/or receiver batteries are weak Install new batteries in the transmitter. Recharge the receiver battery
Connectors are inserted improperly Check the connectors and reinstall if necessary
Brake is not working Check the servo, brakes, and linkage for damage. Repair/replace/reset
the servo linkage to factory settings
The steering gain is set too high Turn down the steering gain
The throttle channel was reversed after
calibration
Rebind and calibrate
The steering channel was reversed after
calibration Rebind and calibrate
Troubleshooting Guide