Troubleshooting - iKarus ECO 7 Manuel D'utilisation

VI. TROUBLESHOOTING
QUESTION POSSIBLE CAUSE
SERVOS AND MOTORS CRYSTALS DEFECTIVE
DO NOT WORK
TRANSMITTER NOT SWIT-
CHED ON
SERVOS AND MOTORS THROTTLE/PITCH STICK NOT
DO NOT WORK IN IDLE POSITION
SERVOS AND MOTORS IF A SIX-CHANNEL TRANS-
DO NOT WORK MITTER IS USED THE
SWITCH POSITION IS NOT
CORRECT
SLOPPY TAIL CONT- MODEL WAS MOVED HEA-
ROL VILY DURING CALIBRATION
PROCESS
HELICOPTER VIBRA- MAINROTOR BLADES OUT
TES OF TRACK
MAIN AND/OR TAIL ROTOR
SHAFT BENT (CRASH?)
FLYBAR BENT OR TWISTED
ROTOR BLADES OR PADDLE
NOT BALANCED
HELICOPTER ROTOR HEAD REVOLUTIONS
WOBBLES TOO LOW
TOO MUCH AND/OR DIFFE-
RENT BLADE PITCH
BATTERIES DEFECTIVE OR
INADEQUATE FOR
OPERATION
ROTOR HEAD SPEED PITCH PUSHRODS ADJUS-
COLLAPSES AT MAXI- TED INCORRECTLY
MUM PITCH
EFFECT
NO SIGNAL AT RECEIVER;
ELECTRONICS RECOGNIZE THE
DEFECT AND DEACTIVATE MOTOR
AND SERVOS
THE ELECTRONICS NOTICE A DE-
FECT AND PREVENT THE MOTORS
FROM STARTING UP
THE ELECTRONICS NOTICE A DE-
FECT AND PREVENT THE MOTORS
FROM STARTING UP
TAIL DRIFTS OFF
VIBRATIONS ARE AMPLIFIED
THE HELICOPTER VIBRATES HEA-
VILY
BLADES ARE STALLING
MOTORS AND ELECTRONICS OPE-
RATE POORLY
SYSTEM WORKS AT POOR EFFI-
CIENCY
REMEDY
REPLACE CRYSTALS
SWITCH ON TRANSMITTER
MOVE PITCH CONTROL STICK TO
IDLE POSITION
SET 2-POSITION AND 3-POSI-
TION SWITCHES TO FLIGHT
PHASE "HOVER" RESPECTIVELY
TO"MOTOR OFF"
AFTER LANDING RECALIBRATE
GYRO: MOVE THROTTLE STICK
TO IDLE AND HOLD TAIL STICK
LEFT FOR 2 SEC.
READJUST TRACKING AS OUTLI-
NED IN MANUAL
CHECK AND REPLACE ROTOR
SHAFT(S)
REPLACE OR STRAIGHTEN FLY-
BAR
REBALANCE ROTOR BLADES,
CHECK PADDLES FOR CHIPS
AND REPLACE IF NECESSARY
TIGHTEN BOTH BLADE HOLDER
ADJUSTMENT SCREWS EVENLY
FOLLOW SETUP INSTRUCTIONS.
GRUNDEINSTELLUNG BEACHTEN.
REPLACE BATTERIES
BOTH BLADE HOLDER ADJUST-
MENT SCREWS TOO FAR OUT.
TIGHTEN EVENLY
FOLLOW SETUP INSTRUCTIONS.
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