
STEP
PROCEDURE
ILLUSTRATION
Determine
proper
operation
of
the
frame
assembly
as
follows:
1.
Disconnect
Jl
from
PI.
2.
Set
DMM
to
measure
Volts
AC.
3.
Connect
negative
lead
of
DMM
to
pin
1
of
Jl
(A).
4.
Connect
positive
lead
of
DMM
to
pin
4
of
Jl
(B).
5.
Connect
AC
line
cord
between
J9
(the
AC
power
receptacle)
and
an
AC
outlet.
IWARNINGI
DO
NOT
CONTACT
ANY
AC
DISTRIBUTION
LINES.
6.
Place
power
switch
to
ON.
Does
DMM
display
between
15
and
21.5
Vrms?
YES
Proceed
to
Step
3.
NO
Place
power
switch
to
OFF.
Remove
AC
line
cord.
Fault
lies
in
Frame
Assembly.
Re
pair
or
replace
Frame
Assembly.
Page
3-3
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