Jonker Sailplanes JS1 Series, Flight Manual, Page: 62 / 101

JS1 Jet Sustainer Flight Manual Supplement - Issue 1
Date of issue: 31.03.2016
Accepted section Page 5–32
5.2.1.1. No Ignition
Error Description:
The temperature did not reach the required value during start. As a
result the start sequence was terminated.
Possible Causes:

Fuel valve not open

No fuel in fuel tanks

No fuel in start or main fuel lines – priming required

Glow plug not warm enough, due to:
o
Battery voltage too low
o
Defective glow plug
o
Airspeed too high when starting in flight
Pilot action required:

Check fuel valve and fuel quantity

Attempt to restart (if priming is required, up to 4 attempts are
normal)