Error Code Tests, cont'd.
Be sure you have followed the "Diag-
NOTICE
nostic Pre-Checks" before continuing.
Once the problem is corrected, you
MUST power the refrigerator off and
on to clear the fault code display.
If applicable,
disconnect solar
panel. Is error code
6 gone?
Yes
Repair solar panel.
Is error code 6
gone?
Be sure you have followed the "Diag-
NOTICE
nostic Pre-Checks" before continuing.
Once the problem is corrected, you
MUST power the refrigerator off and
on to clear the fault code display.
Is incoming 12VDC
on "Engine Run"
Yes
(orange wire)?
in range?
(10.0V < 15.0V )
No
Yes
Check wire harness
Check if D+ input is
Yes
in range
(10.0V < 15.0V ) and
polarity correct?
connections good?
No
No
Correct polarity.
Correct connection
or replace the wire
harness.
N3104, N3141, N3150 Models
START
Is incoming 12VDC
heater in range at
DC heater?
( 10.0V < 15.0V )
Yes
Yes
Check 20 AMP fuse
on control board.
Fuse good?
Is unit production
No
date prior to Jan. 4,
2013?
No
Replace power
control board.
START
Is incoming 12VDC
No
in range?
fuse in (coach) main
(10.0V < 15.0V )
Yes
connections to
Broken or damaged
power control
board. Are the
Is unit production date prior to
Jan. 4, 2013?
Yes
Replace power control
board and LCD display.
No
Correct coach DC
supply issue.
No
Replace fuse.
Replace power
Yes
control board and
LCD display.
Check for blown
Yes
Correct fuse
panel.
No
Yes
Correct wire
wire?
Replace power control
board.
12
Error Code 6
DC voltage out of range
problem.
Error Code 7
Unit in manual DC
mode -
"No Engine Running"
problem.
Displayed