Self-Test Diagnostics; Table Of Led References; Conducting The Led Evaluation; Prepare To Connect The Led - Norcold N10DCX Service Manual

Self-Test Diagnostics

The unit's control module is equipped with a "Self-Test Diagnostic"
function which can be read using light emitting diode (LED) and
terminal connectors.

Table of LED References

References for Figs. 4.1 - 4.6
No. Description
A 10 mA LED With Wire Leads
A1 Black LED Wire (with connector attached)
A2 Red LED Wire (with connector attached)
B 1/4 Inch Push-On Female Connector (2x)
C 1/4 Inch Adapter With One (1) Female and Two (2) Male Connections
D 12 VDC Input Wire
E Positive (+) Terminal "+" of Control Module
F Terminal "D" of Control Module
G Control Module

Conducting the LED Evaluation

Follow the steps below. If an error code is activated in the control
module (Fig. 4.3, G) and the LED (Fig. 4.1, A) is connected, it will
fl ash a number of times. The number of fl ashes will depend on
what error was recorded. Each fl ash will last 1/4 second and after
the code is fl ashed there will be a delay, then the code will repeat.
Write down all error codes; then refer to "Self-Test Diagnostic
Chart" in this section.
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Prepare to Connect the LED

You will need the following to conduct self-diagnostics:
B

Fig. 4.1 - LED

■ A 10 mA LED with wire leads (See Fig. 4.1, A).
■ Two (2) 1/4 inch push-on female connectors (See Fig. 4.1, B).
■ A 1/4 inch adapter with 1 female to 2 male connections. (See
Fig. 4.1, C)
NOTICE

Connect the LED

Refer to Figs. 4.2- through 4.6
Step 1. Attach Female Connectors.
A

Fig. 4.2 - Female connectors

Attach a female connector to each LED wire lead.
Step 2. Disconnect 12 VDC
D

Fig. 4.3 - 12 VDC

Disconnect the 12 VDC input wire from the positive terminal of the
control module.
9
C
B
Do not leave jumpers in place for normal
operation.
_
12/24 Vdc
+
+
F
D
E
C
G
P
T
SERVICE MANUAL
A
B
B