Troubleshooting - Merlin pilot 500 Instruction Manual

Troubleshooting

Problem
Unit does not operate
Aircraft keeps turning in one
direction
Aircraft is difficult to control
Aircraft will not climb
Aircraft keeps pitching up steeply
Aircraft control range is limited or
interference is experienced
Parts List
Part Number
ML47041
ML47042
ML47043
ML47044
ML47045
ML47054
ML52001
ML52002
ML52003
ML52004
ML52005
ML52006
ML52007
ML52008
ML52009
ML52010
ML52011
ML52012
ML52013
Cause
Transmitter "AA" batteries are depleted or
installed incorrectly, indicated by the battery
icon on transmitter or the low battery alarm..
No electrical connection.
Flight battery not charged.
Crash has damaged the radio inside.
Rudder or rudder trim is not adjusted correctly. Adjust rudder and/or rudder trim.
Damage to fixed rudder (vertical stab).
Wing or tail is damaged.
Battery is not fully charged.
Elevator trim may be incorrect.
Wind is too gusty or strong.
Elevator trim may have raised too much.
Transmitter batteries are low on power.
Description
Power Adaptor Set CH
Power Adaptor Set AU
Power Adaptor Set EU
Power Adaptor Set US
Power Adaptor Set UK
MTX-472 Transmitter. 2.4GHz and Mode Reversible.
Landing Gear (Pilot 500)
Elevator/Rudder Pushrods (Pilot 500)
Control Horns & Clevises (Pilot 500)
Main motor (Pilot 500)
Battery 7.4v 180mAh Li-Po (Pilot 500)
MRX-521 4 in 1 Rx/ESC/Servo Unit
Propeller (Pilot 500)
Screw Set (Pilot 500)
Fuselage (Pilot 500)
Main Wing (pilot 500)
Tail Wing & Vertical Stabiliser (Pilot 500)
Aluminuim Carry Case (Pilot 500)
Balanced Charger (Pilot 500)
11
Solution
Check polarity installation or replace with fresh "AA"
batteries.
Push connectors together until they "click."
Charge battery fully.
Replace the fuselage or receiver.
Make sure fixed rudder (vertical stab) is at 90 degrees
from elevator.
Replace damaged part.
Charge battery fully shortly before flying.
Adjust elevator trim.
Postpone flying until the wind calms down.
Trim elevator down with the transmitter trim
Check for defective batteries and replace.