Jonker Sailplanes JS3, Flight Manual Supplement, Page: 68 / 103

JS-3 Jet Sustainer
Flight Manual Supplement
JS03-AFM-00-002
Issue: 00.32JS
Rev. 00.32JS Rev. Date: 08.02.2019 Page 5
–15
Errors during Running 5.2.2
The following lists the error messages that may occur during the RUN
state:

Overheat

Flameout

No RPM

Pump Overcurrent
5.2.2.1 Overheat
Error Description:
Measured EGT exceeded 850 °C (1562 °F).
Possible Causes:

Defective engine

Engine fire

Defective RPM sensor causing an engine over-speed

Incorrect EGT measured
Pilot action required:

Close fuel valve

Toggle Jet Control toggle switch to Extend.

Only retract engine when temperatures stabilised below 55 °C
(131 °F).

Ground maintenance actions are required