PARKZONE Ultra Micro F4U Corsair RTF/BNF, Instruction Manual

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14
Troubleshooting Guide
Problem
Possible Cause Solution
Aircraft will not respond
to throttle but responds to
other controls Throttle stick and/or throttle trim too high Reset controls with throttle stick and throttle trim at
lowest setting
Throttle channel is reversed Reverse throttle channel on transmitter
Motor unplugged from receiver Open fuselage and ensure the plug for the motor is
properly installed
Extra propeller noise or
extra vibration Damaged propeller, spinner, prop shaft or motor Replace damaged parts
Nut on prop shaft is too loose Tighten the prop shaft nut 1/2 turn
Reduced fl ight time or
aircraft underpowered 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 capacity too low for fl ight conditions Replace battery or use a larger capacity battery
Maintenance After Flying
• Disconnect fl ight battery from Receiver/
ESC (Required for Safety)
• Power
off transmitter
• Remove fl ight battery from aircraft
• Recharge fl ight battery
• Repair or replace all damaged parts
• Store
fl ight battery apart from aircraft
and monitor the battery charge
• Make note of fl ight conditions and fl ight
plan results, planning for future fl ights
EN
• Always keep a safe distance in all directions around your model to avoid collisions or injury.
This model is controlled by a radio signal subject to interference from many sources outside
your control. Interference can cause momentary loss of control
• Always operate your model in open spaces away from full-size vehicles, traffi c and people.
• Always carefully follow the directions and warnings for this and any optional support
equipment (chargers, rechargeable battery packs, etc.).
• Always keep all chemicals, small parts and anything electrical out of the reach of children.
• Always avoid water exposure to all equipment not specifi cally designed and protected for
this purpose. Moisture causes damage to electronics.
• Never place any portion of the model in your mouth as it could cause serious injury or even
death.
• Never operate your model with low transmitter batteries.
As the user of this product, you are solely
responsible for operating in a manner that
does not endanger yourself and others
or result in damage to the product or the
property of others. This model is controlled by a radio signal
subject to interference from many sources
outside your control. This interference can
cause momentary loss of control so it is
advisable to always keep a safe distance in all
directions around your model, as this margin
will help avoid collisions or injury.
Additional Safety Precautions and Warnings