J.P. Instruments EDM-900 Installation Manual page 40

FAA Approved Installation Manual for the
EDM-900 and EDM-930
Primary Engine Data Management System
NO 50MV
NO 2.5V
WARNCAL, WARNCFG
HOBSERR
HOBSBAD
HANGCFG, HANGCAL
GPS Interface Diagnostics
41.1
Problem
Measurements 'xxx REQ',
'XXX RES' AND 'XXX
MPG' are all missing from
the scan.
NO - COM message and
'xxx REQ', 'XXX RES' AND
'XXX MPG' are all missing
from the scan.
NO - SIG message and
'xxx REQ', 'XXX RES' AND
'XXX MPG' are all missing
from the scan.
NO - WPT message and
'xxx REQ', 'XXX RES' are
all missing from the scan.
Calibration error.
Calibration error.
Transient warning messages.
The time of the most recent flight may not
be reflected in the HOBBS meter.
The HOBBS data has been corrupted.
Internal system errors.
Situation
No communications from GPS receiver to
EDM.
Communications are received by EDM and
the Auto-Protocol setup is in process.
GPS receiver has insufficient signal for
valid data.
No waypoints are programmed into the
aircraft GPS receiver.
Report No 908
Page 40 of 56 Rev I
Date 1-18-2013
Return unit to factory.
Return unit to factory.
Return unit to factory.
Return unit to factory.
Return unit to factory.
Return unit to factory.
Correction
No connection or aircraft GPS is off.
Verify correct output format setup in
GPS receiver; check GPS
connections.
Check GPS signal
Program way points