LGN Owner's Manual
Cabin Controller
Page 23
LGN-Owners-Manual-071520
CODE
REMEDY/CAUSE
REMEDY/COMMENT
Error Code 7
Engine Start
Failure
Engine did not start.
“AutoStart” is disabled
until operator presses
Select
button.
•
Bad glow plugs or relay.
•
Bad starter relay.
•
Failed glow plug.
•
Possible speed sensor issue.
Error Code 8
No
Communication
Error
No communication
between control panel
and power module.
Re-establish
communication.
•
“Cat5e” communication cable
possibly damaged (commonly
available).
•
Poor connection at terminal; try
plugging in a few times.
Error Code 9
Main Engine
Running
APU will not run if the
Truck’s main engine is
already running.
This feature is
“optional”.
•
If a “switched 12-volt DC wire”
is connected to the J4, Pin #4
(red) wire at the power module,
the APU will not run. This is
“optional”.
Error Code 10
Run Timeout
APU shuts down at
three (3) hours of
running when the
“AutoStart” Time/Day
Setting is used.
•
Engine will only run for three (3)
hours when set on AutoStart
Time/Day.
Error Code 11
Check Power
Module Fuse
Very low battery
voltage detected at the
power module.
•
Check 20 Amp. fuse and J1
connector at the power module
(located under the bunk on the
HVAC unit).
Error Code 12
Battery Charging
Failure
Battery voltage still low
two (2) minutes after
cranking. Auto and
manual starts can
occur.
•
Faulty charging system; failed
batteries; poor connection.
•
Engine harness ground wires
disconnected at the HVAC unit.
Error Code 13
Battery Discharge
Alarm system will enter
low power mode. No
starting options given.
•
Failed batteries or connection.
•
Possible poor connection at
power module.
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