Align Super Combo TREX 500PRO DFC RH50E01XT - 21. Troubleshooting; Blade Tracking Issues; Hovering Performance Issues; Rudder Response Problems

21.TROUBLESHOOTING
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Probl em Cause
Solution
Blade
Tracking Is Off
Pitch link age rods are not even
Adjust length of OFC ball
link .
Tra ckin g
le ngth
Adjust OFC ball link to reduce pitch by 4 to
Excessive pitch
5 degrees. Hovering headspeed should
be
arou nd 1900RPM.
Headspeed too low
Hove ring thro tt le cu rve Is too low
Increase throttle curve at hovering point on
tran smitter (around 60 %-75 %)
Hover
A~ u st DFC ball link to Increase pitch bJ 4 to
Not enoug h pitch
5
egrees. Hovering headspeed shoul be
ar ound 1900RPM,
Headspeed too high
Hove ri ng t hrott le c u rve Is 100 hig h
Decrease
thr ottle curve at hovering point on
trans
mitt er ( Ad 65%)
Drifting of tail occurs during hovering Rudde r neutral poin t improperly set Reset rudd&f n eutr al poi nt
Of delay of rudder respo nse when
-.
Rudder
centering rudder stick.
Rudder
gyro gain too lO A <
R esp o n se
In c ~ se ru dder gyro gain
e-, ..~
Tall oscillates (hunting, or wags)
"Hdd " GY / ';?' /o
:\ d u\ dder gyro gain
at hover or fu
lllhr ottle
Forward/aft o
scillation when
\ v~ ~ . ; ~
T U ~ U.e E lE gain dial on control box
elevat
or is applied
c
ounter c lockw ise, 10 degrees at a ti me unlll
oscillatio n is eliminated .
H.H,opt" "0" OOb :\ "
Oscillation
dHH =f O~"d ~
during flight
~ V r slack in c ontro l links
Replace servo, ball link, or linkage batts.
~ ~ ftl r i 9 hto s C l ll a t I 0 ~ ~ e n ......... ..,.
Ail eron g yro gain too high
Turn the All gain dial on co ntr ol bo x
aileron Is applied ......
count
erc lockwise , 10 degrees at a time
until osclltatlon Is eli minated .
Elevator
input cause . ~coPte r to
drift
Worn servo, or slack in con tro l link s Replace servo , ball link, or linkage balls.
.,
Helicopter pitches up during Elevator gyro gain too low
Turn the ELE gain dial on control box
forward fl ight
clockwise, 10 deg rees at a time unti l dr
ifti ng
Drifti ng
Is eliminated .
during fligh t
Aileron Input causes helicopter to
Aileron gyro gain too low Tum the AIL gain dial on control box
drift
clockw ise, 10 degrees at a time until dr ift ing
Is eliminated .
Slow Forwar
dlA ftll eftJRight
R
oll rate too low
A
djust roll rate wit hin 3GX Fli gh t Mode
Input response
setting.
Co
ntrol
Re spon se
Sensitive Forward/A
ftlL eftlRlght Roll rate 100 high Adjust roll rate wit hin 3GX Flig ht Mode
input response setting.
If abo ve sol
ut io n does not resol ve yo ur Issue s, plea se ch eck W ith e xpenenced pilot s or co n tact your Align deal er .
42
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