Norcold N510 - N510 Troubleshooting Flowcharts; Blank Display - Refrigerator does not turn on - N510

DRAFT
NOT FOR PUBLIC RELEASE
13
www.norcold.com/cda N500/N510 ModelsRefrigerator Service Manual
TROUBLESHOOTING FLOWCHART - N510 UNITS
Blank Display - Refrigerator does not turn on - N510
Before beginning this procedure make sure:
■
12 Vdc input to the power board is wired according to the N500/N510 Installation Manual.
■
No other RV appliances or lighting circuits are connected to the refrigerator dc circuit.
Fault indicator displayed:
LP GASAC
AUTO
Blank
Display
Screen
Measure voltage at power
board 12VDC and GND1
connections.
1. No dc power input from RV to unit.
2. Faulty wiring or connectors.
NO
NO
YES
Check condition of F1 fuse
in power board. See
Figure 8.
Replace fuse. Use a standard 5 amp
(tan color) automotive blade type fuse.
10.5
to
15.4 Vdc?
YES
See procedure on page 14.
F1 fuse okay?
MIN MAX
RANGE
HOLD
H
Hz
REL
m
A
A
m
V
V
V
OFF
!
!
A
COM
V
m
A
µ
A
1000V MAX
400mA MAX
FUSED
10A MAX
FUSED
PEAK MIN MAX
µ
A
C
A
T
II
4 1/2 DIGITS
1 Seconds
87
T
R
U
E
R
M
S
M
U
L
T
IM
E
T
E
R
III
Good= 00.0 Ω
00.0
Bad = OL
Figure 8: Checking dc fuse continuity