Data
storage adapter
AlD2
Disk adapter
AlC2
Main storage card
Note: The cards and connectors to this point will isolate the base power supply.
15.
To
test for a defective power on light, do the following:
a.
Power on the system.
If
the base power supply fan turns and the power
on
light
is
off, the light is
defective or the distribution to the light
is
bad.
b.
If
the light is defective, exchange the control panel ("510 Control Panel Removal"
on
page 5-9).
c.
For
bad distribution to the light, check connectors and leads.
If
all
of
the above cards and connectors have been removed and the problem is still present, power off
the
5363
and continue with the next step.
16.
Exchange the
Al
board ("342
Al
Board Removal and Replacement Procedures" on page 3-18).
17.
To isolate the feature power supply or parts attached, plug in the feature power supply and continue.
18.
Power off the
5363
and disconnect the power cord
at
the customer power outlet and the 5363.
19.
Unplug the feature power supply.
20.
With the power on/off switch set to the on position (I), verify continuity from
J1
line to J2 line, and
J1
neutral to 12 neutral on base power supply ("430 AC Point-to-Point" on page 4-10).
If
you have continuity, continue with the next step.
If
you do
not
have continuity, exchange the base power supply ("430 AC Point-to-Point"
on
page 4-10).
21.
Set the power on/off switch to the off position
(0)
and reconnect the power cord and the feature power
supply.
22.
Unplug P4, P5, and
Pll,
and power
on
the 5363.
23.
Observe the feature fan.
If
the feature fan is turning, continue with the next step.
If
the feature fan
is
not turning, exchange the feature power supply ("406 Feature Power Supply
Removal" on page 4-3).
24.
Power off the 5364, reinstall all the connectors you removed, and continue with the next step.
25.
For
each
of
the cards and connectors in the following list, perform steps a through
d:
a. Remove the card
or
connector.
b.
Power on the 5363.
c.
If
the feature fan
is
turning, the
FRU
that
is disconnected or the card that
is
removed is the failing
FRU.
Power off the
5363
and install a new card
or
FRU.
d.
If
the feature fan
is
not
turning, power
off
the 5363, reinstall the connector
or
card, and repeat steps
a through d for the next item
on
the list.
Pll
Tape
Main storage card B
l-G
Note: The following cards must be installed in the indicated
Bl
board positions: The Feature
lOP
(Bl-A) and Main Storage Card (BI-G).
It
is recommended that the Tape feature card be
located in position (Bl-F) for cable retention purposes. The other cards can be plugged in any
remaining positions.
Feature
lOP
(1
each)
Local Area Network (LAN)
(2
each possible)
Communications
(2
each possible)
Tape
(1
each possible)
Section
4.
Power Procedures 4-7
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