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Troubleshooting
Most frequent errors. Cause and remedy:
Problem
Cause
Remedy
Turbine doesn't ignite
Fuel supply lines are empty or not
purged
ECU battery weak or empty
The kero start igniter failed. The
automatic glow plug test may not
detect a failed igniter!
Purge fuel system. Use the Test
Functions Menu, Purge Pump
Charge ECU battery
This is an extremely rare event but
the turbine must be returned to
JetCat
. It may be possible on some
engine types to use a temporary
external plug. Call
JetCat
for
information.
Starting process fails
Turbine is still too warm;
Cool Down not yet completed.
Low battery or faulty connection.
Glow plug defective (red
Pump
running
LED blinks).
Three-conductor cable for starter
motor and glow plug disconnected.
Wait until
SlowDown
sequence is
finished. The green OK LED will stop
blinking.
Charge battery. Check ECU’s battery
connection.
Replace defective glow plug.
Check cable. Check for proper
connection from ECU to the turbine.
ECU doesn't follow
full commands from
the throttle stick
Programming alteration in R/C
transmitter
Check alignment with RC-Check
menu. Re-align ECU to the R/C
system.
Turbine ignites, but
the start process is
discontinued.
Air in fuel feed lines.
Fuel pump not running.
Air leaks in fuel system. Examine all
Festo fittings, nipples, clunk, filter, etc.
Check for fuel filter clogs.
Test the pump in Test Functions
menu, (as soon as the red
Pump
running
LED illuminates, the fuel
pump must run!).
Starter unit slips,
makes noise.
Dust and oil sediment on the
compressor nut and O-ring.
Clean O-ring and compressor nut
periodically, with cotton swab and
solvent.
EGT giving erratic
temperature or RPM
readings.
Transmitter antenna too close to the
model.
Keep the antenna away from the
model. It may cause false readings.
Turbine quits with
Watchdog Failure
Static discharge reset the ECU.
Do not mount ECU directly to the
fiberglass body of the plane. Use a
plywood mount with a layer of foam
tape and Velcro between the body
and the ECU. If the plane has a
glossy finish and the failure happened
directly after the wheels left the
ground, spray the tires with an anti-
static spray available from electronic
or hardware supply stores.