JS1 Jet Sustainer Flight Manual Supplement - Issue 1
Date of issue: 31.03.2016
Accepted section
Page 5–42
5.2.2.3.
No RPM
Error Description:
No RPM signal is measured during operation.
Possible Causes:
Engine stopped during RUN mode
RPM sensor failure
RPM/EGT sensor board failure
Pilot action required:
Attempt restart
Retract engine and switch system off
Ground maintenance actions may be required