J.P. Instruments EDM-350 User Manual

Approved Installation Manual for the Experimental Report No 104
EDM-350 Page 39 of 46 Rev A
Engine Data Management System Date 7-10-2021
RED ‘X’ DRAWN THROUGH
ALL GAUGES FOR AN
ENGINE
DAU failure or DAU communications error.
Check power to DAU and wiring
harness connections.
CAL ERR
Calibration error.
Return unit to factory.
DSP XXX
Internal communication error.
Return unit to factory.
COMM ERR
Internal communication error.
Return unit to factory.
NO I 5 MV
Calibration error.
Return unit to factory.
NO 50MV
Calibration error.
Return unit to factory.
NO 2.5V
Calibration error.
Return unit to factory.
WARNCAL, WARNCFG
Transient warning messages.
Return unit to factory.
HOBSERR
The time of the most recent flight may not
be reflected in the HOBBS meter.
Return unit to factory.
HOBSBAD
The HOBBS data has been corrupted.
Return unit to factory.
HANGCFG, HANGCAL
Internal system errors.
Return unit to factory.
38. GPS Interface Diagnostics
Problem
Situation
Correction
Measurements ‘xxx REQ’,
‘XXX RES’ AND ‘XXX
MPG’ are all missing from
the scan.
No communications from GPS receiver to
EDM.
No connection or aircraft GPS is off.
NO - COM message and
‘xxx REQ’, ‘XXX RES’ AND
‘XXX MPG’ are all missing
from the scan.
Communications are received by EDM and
the Auto-Protocol setup is in process.
Verify correct output format setup in
GPS receiver; check GPS
connections.
NO - SIG message and
‘xxx REQ’, ‘XXX RES’ AND
‘XXX MPG’ are all missing
from the scan.
GPS receiver has insufficient signal for
valid data.
Check GPS signal
NO - WPT message and
‘xxx REQ’, ‘XXX RES’ are
all missing from the scan.
No waypoints are programmed into the
aircraft GPS receiver.
Program way points

J.P. Instruments EDM-350 Specifications

General

Brand	J.P. Instruments
Model	EDM-350
Category	Avionics Display
Language	English