BNF Focke-Wulf 190A Instruction Manual download pdf (Page 15)

Problem Possible Cause Solution

Aircraft will not re-

spond to throttle but

responds to other

controls

Throttle not at lowest position or throttle trim too high Reset controls with throttle stick and throttle trim

at lowest setting

Throttle servo travel is lower than 100% Make sure throttle servo travel is 100% or greater

Throttle channel is reversed Reverse throttle channel on transmitter

Motor disconnected from ESC Make sure motor is connected to the ESC

Extra propeller noise

or extra vibration

Damaged propeller and spinner, collet or motor Replace damaged parts

Propeller is out of balance Balance or replace propeller

Prop nut is too loose Tighten the prop nut

Spinner is not tight or fully seated in place Tighten the spinner or remove the spinner and turn it 180 degrees.

Reduced ﬂ ight time

or aircraft under-

powered

Flight battery charge is low Completely recharge ﬂ ight battery

Propeller installed backwards Install propeller with numbers facing forward

Flight battery damaged Replace ﬂ ight battery and follow ﬂ ight battery instructions

Flight conditions may be too cold Make sure battery is warm before use

Battery C rating is too low Replace battery or use battery with correct C rating

Aircraft will not Bind

(during binding) to

transmitter

Transmitter too near aircraft during binding process Move powered transmitter a few feet from aircraft,

disconnect and reconnect ﬂ ight battery to aircraft

Aircraft or transmitter is too close to large metal object,

wireless source or another transmitter

Move aircraft and transmitter to another location and attempt

binding again

The bind plug is not installed correctly in the bind port Install bind plug in bind port and bind the aircraft to the transmitter

Flight battery/Transmitter battery charge is too low Replace/recharge batteries

Bind switch or button not held long enough during bind

process

Power off transmitter and repeat bind process. Hold transmitter bind

button or switch until receiver is bound

Aircraft will not con-

nect (after binding)

to transmitter

Transmitter too near aircraft during connecting process Move powered transmitter a few feet from aircraft, disconnect and

reconnect ﬂ ight battery to aircraft

Aircraft or transmitter is too close to large metal object,

wireless source or another transmitter

Move aircraft and transmitter to another location and attempt

connecting again

Bind plug left installed in bind port Rebind transmitter to the aircraft and remove the bind plug before

cycling power

Aircraft bound to different model memory (ModelMatch

radios only)

Select correct model memory on transmitter

Flight battery/Transmitter battery charge is too low Replace/recharge batteries

Transmitter may have been bound using different DSM

protocol

Bind aircraft to transmitter

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 model

was selected

Re-bind or select correct model in transmitter

Flight battery charge is low Fully recharge ﬂ ight 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 ﬂ ight 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

Troubleshooting Guide

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BNF Focke-Wulf 190A Instruction Manual Page 15

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