You are here because an SPCN-controlled I/O expansion unit
cannot be powered on, and might be displaying a 1xxx-C62E reference
code.
For important safety information before continuing with this
procedure, see
Power isolation procedures.
- Power on the system.
- Starting from SPCN 0 or SPCN 1 on the system unit. See System FRU locations , then
go to the first unit in the SPCN frame-to-frame cable sequence that
does not power on. Is the Data display background light
on, or is the power-on LED blinking, or are there any characters displayed
on the I/O expansion unit display panel?
Note: The background light
is a dim yellow light in the Data area of the display panel.
- Yes: Go to step 12.
- No: Continue with the next step.
- Use a multimeter to measure the ac voltage at the customer's
ac power outlet.
Is the ac voltage from 200 V ac to
240 V ac, or from 100 V ac to 127 V ac?
- Yes: Continue with the next step.
- No: Inform the customer that the ac voltage
at the power outlet is not correct.
This ends the procedure.
- Is the mainline ac power cable from the ac module, power
supply, or power distribution unit to the customer's ac power outlet
connected and seated correctly at both ends?
- Yes: Continue with the next step.
- No: Connect the mainline ac power cable
correctly at both ends.
This ends the procedure.
- Perform the following:
- Disconnect the mainline ac power cable from the ac module,
power supply, or power distribution unit.
- Use a multimeter to measure the ac voltage at the ac
module, power supply, or power distribution unit end of the mainline
ac power cable.
Is the ac voltage from 200 V ac to 240 V ac, or from 100
V ac to 127 V ac?
- No: Continue with the next step.
- Yes: Go to step 7.
- Are you working on a power distribution unit with tripped
breakers?
- No: Exchange the mainline ac power cable
or power distribution unit (as installed).
This ends
the procedure.
- Yes: Perform the following:
- Reset the tripped power distribution breaker.
- Verify that the removable ac line cord is not the problem. Replace
the cord, as installed, if it is defective.
- Install a new power supply (as installed) in all power locations
until the defective one is found.
This ends the procedure.
- Does the unit you are working on
have ac power jumper cables installed?
Note: The ac power
jumper cables connect from the ac module, or the power distribution
unit to the power supplies.
- Yes: Continue with the next step.
- No: Go to step 11.
- Are the ac power jumper cables connected and seated correctly
at both ends?
- Yes: Continue with the next step.
- No: Connect the ac power jumper cables
correctly at both ends.
This ends the procedure.
- Perform the following:
- Disconnect the ac power jumper cables from the ac module,
or power distribution unit.
- Use a multimeter to measure the ac voltage at the ac
module or power distribution unit (that goes to the power supplies).
Is the ac voltage at the ac module or power distribution
unit from 200 V ac to 240 V ac, or from 100 V ac to 127 V ac?
- Yes: Continue with the next step.
- No: Exchange the following as they are
installed. See System parts ):
- ac module
- Power distribution unit
This ends the procedure.
- Perform the following:
- Connect the ac power jumper cables to the ac module,
or power distribution unit.
- Disconnect the ac power jumper cable at the power supplies.
- Use a multimeter to measure the voltage of the power
jumper cables input to the power supplies.
Is the voltage 200 V ac to 240 V ac or 100 V ac to 127 V
ac for each power jumper cable?
- No: Exchange the power jumper cable.
This
ends the procedure.
- Yes: Exchange the following parts, as installed,
one at a time:
- One of the FRUs listed in the following table, according to the
enclosure:
Table 1. Enclosures FRU to be exchanged| Enclosure |
FRU |
|---|
| 5088, 0588 |
Tower backplane assembly |
| 5094, 5096, 5294, 5296, 8094-002 |
Tower backplane assembly |
| 5095, 0595 |
Tower backplane assembly |
| 7311-D11, 7314-G30, 5790 or 5796 |
I/O backplane |
| 7311-D20 |
I/O backplane |
- Display unit
- Power supply 1
- Power supply 2
- Power supply 3
This ends the procedure.
- Perform the following:
- Disconnect the mainline ac power cable (to the expansion
unit) from the customer's ac power outlet.
- Exchange the following FRUs, one at a time:
- Power supply.
- One of the FRUs listed in the following table, according to the
enclosure:
Table 2. Enclosures FRU to be exchanged| Enclosure |
FRU |
|---|
| 5088, 0588 |
Tower backplane assembly |
| 5094, 5096, 5294, 5296, 8094-002 |
Tower backplane assembly |
| 5095, 0595 |
Tower backplane assembly |
| 7311-D11, 7314-G30, 5790 or 5796 |
I/O backplane |
| 7311-D20 |
I/O backplane |
- Reconnect the mainline ac power cables (from the expansion
unit) into the power outlet.
- Attempt to power on the system.
Does the expansion unit power on?
- Yes: The unit you exchanged was the failing
item.
This ends the procedure.
- No: Repeat this step and exchange the next
FRU in the list. If you have exchanged all of the FRUs in the list,
ask your next level of support for assistance.
This
ends the procedure.
- Is there a reference code displayed
on the display panel for the I/O unit that does not power on?
- Yes: Continue with the next step.
- No: Replace the FRU listed in the following
table, according to the enclosure:
Table 3. Enclosures FRU to
be exchanged| Enclosure |
FRU |
|---|
| 5088, 0588 |
Tower backplane assembly |
| 5094, 5096, 5294, 5296, 8094-002 |
Tower backplane assembly |
| 5095, 0595 |
Tower backplane assembly |
| 7311-D11, 7314-G30, 5790 or 5796 |
I/O backplane |
| 7311-D20 |
I/O backplane |
This ends the procedure.
- Is the reference code 1xxx xx2E?
- Yes: Continue with the next step.
- No: Use the new reference code and return
to Start of Call .
This
ends the procedure.
- Do the SPCN optical cables (A) connect the failing unit
(B) to the preceding unit in the chain or loop?
.---------. (A) SPCN
| System | Optical Cables -. .----- SPCN
| Unit | | V Optical Adapter
| SPCN 0 | .-. V .-.
'----.----' | +------------+ |
| | +------------+ |
.----'----. .-------'-+ .-------'-+ .---------.
| J15 | |Sec J16| |Sec J15| | Sec |
|Sec Unit +-+UNIT J15| |Unit J16+-+J15 Unit |
| 1 | | 2 | | 3 | | 4 |
'---------' '---------' '---------' '---------'
^
|
'---- (B) Failing Unit
- Yes: Continue with the next step.
- No: Go to step 18.
- Remove the SPCN optical adapter (A) from the preceding
frame in the string that cannot become powered on.
.---------. .--- (A) SPCN Optical Adapter
| System | |
| Unit | V
| SPCN 0 | .-. .-.
'----.----' | +------------+ |
322 | +------------+ |
.----'----. .-------'-+ .-------'-+ .---------.
| J15 | |Sec J16| |Sec J15| | Sec |
|Sec Unit +-+Unit J15| |Unit J16+-+J15 Unit |
| 1 | | 2 | | 3 | | 4 |
'---------' '---------' '---------' '---------'
^
|
'-- Failing Unit
- Perform the following:
Notes: - The cable may be connected to either J15 or J16.
- Use an insulated probe or jumper when performing the voltage readings.
- Connect the negative lead of a multimeter to the system
frame ground.
- Connect the positive lead of a multimeter to pin 2 of
the connector from which you removed the SPCN optical adapter in the
previous step of this procedure.
- Note the voltage reading on pin 2.
- Move the positive lead of the multimeter to pin 3 of
the connector or SPCN card.
- Note the voltage reading on pin 3.
Is the voltage on both pin 2 and pin 3 from 1.5 V dc to 5.5
V dc?
- Yes: Continue with the next step.
- No: Exchange the FRU listed in the following
table, according to the enclosure:
Table 4. Enclosures FRU to
be exchanged| Enclosure |
FRU |
|---|
| 5088, 0588 |
Tower backplane assembly |
| 5094, 5096, 5294, 5296, 8094-002 |
Tower backplane assembly |
| 5095, 0595 |
Tower backplane assembly |
| 7311-D11, 7314-G30, 5790 or 5796 |
I/O backplane |
| 7311-D20 |
I/O backplane |
This ends the procedure.
- Exchange the following FRUs, one at a time:
- In the failing unit (first frame with a failure indication),
replace the following:
Table 5. Enclosures
FRU to be exchanged| Enclosure |
FRU |
|---|
| 5088, 0588 |
Tower backplane assembly |
| 5094, 5096, 5294, 5296, 8094-002 |
Tower backplane assembly |
| 5095, 0595 |
Tower backplane assembly |
| 7311-D11, 7314-G30, 5790 or 5796 |
I/O backplane |
| 7311-D20 |
I/O backplane |
- In the preceding unit in the string, replace the FRU
in Table 5.
- SPCN optical adapter (A) in the preceding unit in the
string.
- SPCN optical adapter (B) in the failing unit.
- SPCN optical cables (C) between the preceding unit in
the string and the failing unit.
This ends the procedure.
(A) SPCN
Optical .----- (C) SPCN
Adapter ----. | Optical Cables
| |
| | .-- (B) SPCN
.---------. | | | Optical
| System | | | | Adapter
| Unit | V | V
| SPCN 0 | .-. V .-.
'----.----' | +------------+ |
| | +------------+ |
.----'----. .-------'-+ .-------'-+ .---------.
|Sec J15 | | Sec J16| |Sec J15| | Sec |
|Unit J16+-+J15 Unit | |Unit J16+-+J15 Unit |
| 1 | | 2 | | 3 | | 4 |
'---------' '---------' '---------' '---------'
^
|
|
'--- Failing Unit
- Perform the following:
- Power off the system.
- Disconnect the SPCN frame-to-frame cable from the connector
of the first unit that cannot be powered on.
- Connect the negative lead of a multimeter to the system
frame ground.
- Connect the positive lead of the multimeter to pin 2
of the SPCN cable.
Note: Use an insulated probe or jumper
when performing the voltage readings.
- Note the voltage reading on pin 2.
- Move the positive lead of the multimeter to pin 3 of
the SPCN cable.
- Note the voltage reading on pin 3.
Is the voltage on both pin 2 and pin 3 from 1.5 V dc to 5.5
V dc?
- No: Continue with the next step.
- Yes: Exchange the following FRUs one at
a time:
- In the failing unit, replace the FRU listed in the following table:
Table 6. Enclosures FRU to be exchanged| Enclosure |
FRU |
|---|
| 5088, 0588 |
Tower backplane assembly |
| 5094, 5096, 5294, 5296, 8094-002 |
Tower backplane assembly |
| 5095, 0595 |
Tower backplane assembly |
| 7311-D11, 7314-G30, 5790 or 5796 |
I/O backplane |
| 7311-D20 |
I/O backplane |
- In the preceding unit in the string, replace the FRU in Table 6.
- SPCN frame-to-frame cable.
This ends the procedure.
- Perform the following:
- Follow the SPCN frame-to-frame cable back to the preceding
unit in the string.
- Disconnect the SPCN cable from the connector.
- Connect the negative lead of a multimeter to the system
frame ground.
- Connect the positive lead of a multimeter to pin 2 of
the connector.
Note: Use an insulated probe or jumper when
performing the voltage readings.
- Note the voltage reading on pin 2.
- Move the positive lead of the multimeter to pin 3 of
the connector.
- Note the voltage reading on pin 3.
Is the voltage on both pin 2 and pin 3 from 1.5 V dc to 5.5
V dc?
- Yes: Exchange the following FRUs one at
a time:
- SPCN frame-to-frame cable.
- In the failing unit, replace the following:
Table 7. Enclosures FRU to be exchanged| Enclosure |
FRU |
|---|
| 5088, 0588 |
Tower backplane assembly |
| 5094, 5096, 5294, 5296, 8094-002 |
Tower backplane assembly |
| 5095, 0595 |
Tower backplane assembly |
| 7311-D11, 7314-G30, 5790 or 5796 |
I/O backplane |
| 7311-D20 |
I/O backplane |
- In the preceding unit in the string, replace the FRU in Table 7.
This ends the procedure.
- No: Exchange the FRU in Table 7 from the unit from which you
disconnected the SPCN cable in the previous step of this procedure.
This
ends the procedure.
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