Error
Description
Diagnostic Action
Control
3.
Is
the Power light on?
Panel
r
YES: Go
to
step 4.
NO:
Measure for approximately +1 0
to
12
V dc at pin 9
on
the Control Panel.
Use
pin 8 for ground (see Section
5,
"Locations")~
12
Vdc?
YES: Replace Control Panel (see
Section 3, "Removal/
Replacement").
NO: Go
to
page 1400-6, "Power
Supply Check."
4.
Is
Online light on?
YES:
Go
to
step
5.
",.--,
NO:
Measure for approximately +1 0 to
+
12
V dc at pin 1 on Control
Pane1.
Use
ground pin on Driver Circuit
card. (See Section 5, "Locations.")
12
Vdc?
YES:
Replace
both
Control cards
(see Section 3, "Removal/
Replacement").
NO:
Replace Control Panel (see
Section 3, "Removal/
Replacement").
.r-
•
1400-27
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