4max PP-TESC120HVAU Panduan Pengguna - Halaman 3

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IX. Trouble Shooting

Trouble

Motor doesn't work, but there are

audible tones of automatic detection of

the number of cells after powering up

ESC

Motor doesn't work and no audible

tone emitted after connecting the

battery, Servos are not working either

Motor runs in reverse rotation

Motor stops running in flight

Motor restarts abnormally

ESC Overheats

This is a guide only. 4-Max Models Ltd does not accept any liability whatsoever with regards to any injury or damage caused by advice contained within or not contained within this users guide.

Possible Reason

The ESC throttle calibration has not set up

Poor/loose connection between battery pack and ESC

No power

Poor soldered connections (dry joints)

Wrong battery cable polarity

ESC throttle cable connected to receiver in the reverse polarity

Faulty ESC

Wrong cables polarity between the ESC and the motor

Lost throttle signal

Battery pack voltage has reached the Low Voltage Protection

threshold

Possible bad cable connection

Possible RF Interference at the flying field

Inadequate cooling

Servos drawing too much current and over loading the BEC

within ESC (if fitted)

Over sized motor or prop

www.4-Max.co.uk May 2018 Rev2.

Action

Set up the ESC throttle calibration

Clean the connector terminals or replace connector

Replace with a freshly charged battery pack

Re-solder the cable connections

Check and verify cable polarity - Replace ESC if it was connected incorrectly

Check the ESC cable connected to the ESC to ensure the connectors are in the correct

polarity

Replace ESC

Swap any two of the three cable connections between the ESC and

the motor or access the Motor Rotation Function via the ESC

programming mode and change the pre-set parameters

Check proper operation of the radio equipment Check the placement of the ESC and the

receiver and check the route of the receiver's aerial and ESC cables to ensure there is

adequate separation to prevent RF interference Install a ferrite ring on the ESC's throttle

cable

Land the model immediately and replace the battery pack

Check and verify the integrity of the cable connections

The normal operation of the ESC may be susceptible to surrounding

RF interference Restart the ESC to resume normal operation on the ground to verify

recurrence. If the problem persists, test the operation of the ESC at a different flying field

Relocate the ESC to allow better cooling

Use servos that are adequately sized for the ESC. The maximum BEC current drawn

should be within the BEC limits

Prop down or resize the motor