User Manual

EN
Viper 70mm EDF
14
Replacement Parts Optional Parts
Troubleshooting Guide
Part # Description
EFL77500 Viper 70mm EDF BNF Basic
EFL7775 Viper 70mm EDF PnP
EFL7701 Fuselage: Viper 70mm
EFL7702 Main Wing Set: Viper 70mm
EFL7703 Vertical Stabilizer: Viper 70mm
EFL7704 Horizontal Stabilizer: Viper 70mm
EFL7705 Cockpit: Viper 70mm
EFL7706 Front Landing Gear Set: Viper 70mm
EFL7707 Main Landing Gear Set: Viper 70mm
EFLG7708 Front Landing Gear System: Viper 70mm
EFLG7709 Main Landing Gear System: Viper 70mm
EFL7710 Landing Gear Cover: Viper 70mm
EFL7711 Linkage Rod: Viper 70mm
EFL7712 Control Horns: Viper 70mm
EFL7713 Wheel Set: Viper 70mm
EFL7714 Screw Set: Viper 70mm
EFL7715 Decal Sheet: Viper 70mm
SPMA380 Servo: 9g digital metal gear
SPMA380R Servo: 9g digital metal gear
EFLA1070EC5 70A ESC, EC5
EFLA7012DF 70mm Ducted Fan Unit
EFLM1850 Motor 1850Kv
EFLG130 Nose Gear Retract Mechanism
EFLG131 Main Gear Retract Mechanism
Part # Description
SPMAR631 AR631 6-Ch AS3X Sport Receiver
SPMR12000 iX12 12 Channel Transmitter Only
SPMR6750 DX6 Transmitter Only MD2 G3
SPMR8000 DX8 Transmitter Only MD2
SPMR8100 DX8e 8CH Transmitter Only
SPMR9910 DX9 Black Transmitter Only MD2
SPMXC1010 Spektrum Smart S2100 AC Charger 2 x 100W
SPMXC1080 Spektrum Smart S1100 AC Charger 1 x 100W
SPMX32006S30 Spektrum 22.2V 3200mAh 6S 30C Smart Li-Po Battery
SPMX32006S50 Spektrum 22.2V 3200mAh 6S 50C Smart Li-Po Battery
SPMX40006S30 Spektrum 22.2V 4000mAh 6S 30C Smart Li-Po Battery
SPMX40006S50 Spektrum 22.2V 4000mAh 6S 50C Smart Li-Po Battery
Problem Possible Cause Solution
Control surface does
not move
Control surface, control horn, linkage or servo damage Replace or repair damaged parts and adjust controls
Wire damaged or connections loose Do a check of wires and connections, connect or replace as needed
Transmitter is not bound correctly or the incorrect
airplanes was selected
Re-bind or select correct airplanes in transmitter
Flight battery charge is low Fully recharge flight battery
BEC (Battery Elimination Circuit) of the ESC is damaged Replace ESC
Controls reversed Transmitter settings are reversed Perform the Control Direction Test and adjust the controls on transmitter appropriately
Motor power pulses
then motor loses
power
ESC uses default soft Low Voltage Cutoff (LVC) Recharge flight battery or replace battery that is no longer performing
Weather conditions might be too cold Postpone flight until weather is warmer
Battery is old, worn out, or damaged Replace battery
Battery C rating might be too small Use recommended battery