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Protective functions:
1. Start-up error protection:
If the motor does not start within two seconds of the throttle stick's movement, the speed controller shuts off the throttle function. If this should happen, it is ESSENTIAL to return the throttle
stick to the "fully back" (Idle) position.
2. Overheating protection:
If the temperature of the speed controller rises above 110°C, the speed controller reduces power.
3. Loss of transmitter signal:
The speed controller reduces power if the transmitter signal fails for one second. If the signal loss continues for two seconds, the controller shuts off power.
Warning sounds, trouble-shooting
Problem
When switched on, the motor does not work; no audible
beeps are emitted
When switched on, the motor does not work; the following
warning sound is emitted:
"Beep-beep-, beep-beep-, beep-beep-" (there is a one-se-
cond interval between the "beep-beep" signals)
When switched on, the motor does not work; the following
warning sound is emitted:
"Beep-, beep-, beep- " (there is a two-second interval bet-
ween "beeps" )
When switched on, the motor does not work; the following
warning sound is emitted:
"Beep-, beep-, beep-" (there is a 0.25-second interval bet-
ween "beeps")
All manuals and user guides at all-guides.com
Building and Operating Instructions - Air Trainer 140 ARF
Possible cause
Incorrect connection between speed controller and battery.
Input voltage not normal; i.e. too high or too low.
Throttle signal not correct
Throttle stick not at the "fully back" position.
Remedy
Check the connection; replace the connectors.
Check the voltage of the battery.
Check transmitter and receiver. Check the cable between the
speed controller and the receiver.
Move the throttle stick to the "fully back" position.
Set the throttle channel to the correct direction.
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