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Main
Sub code
Sub code
code
(1)
(2)
14
04
00
14
05
00
14
06
00
14
07
00
14
08
00
14
09
00
14
0A
00
14
0B
00
14
0C
00
14
0E
pp
14
0F
pp
Note
For the location of each fan, refer to
2-2-2.
Main Code 26
When a power supply error is detected, the following error occurs.
Main
Sub code
Sub code
code
(1)
(2)
26
01
00
PWS-4400
Error message
FRONT FAN2 TROU-
BLE
FRONT FAN3 TROU-
BLE
FRONT FAN4 TROU-
BLE
REAR FAN1 TROUBLE
REAR FAN2 TROUBLE
REAR FAN3 TROUBLE
REAR FAN4 TROUBLE
SLOT FAN TROUBLE
DM FAN1 TROUBLE
PORT x DIO FAN1
TROUBLE
PORT x DIO FAN2
TROUBLE
"1-1-2. Location of Main Mechanical
Error message
POWER SUPPLY UNIT
TROUBLE
Description
•
Probable cause 1: FRONT FAN 2 (in front fan
assembly)
•
Probable cause 2: IC3 (FPGA) on SY-422A board
•
Protected operation: None
•
Probable cause 1: FRONT FAN 3 ( in front fan
assembly)
•
Probable cause 2: IC3 (FPGA) on SY-422A board
•
Protected operation: None
•
Probable cause 1: FRONT FAN 4 (in front fan
assembly)
•
Probable cause 2: IC3 (FPGA) on SY-422A board
•
Protected operation: None
•
Probable cause 1: REAR FAN 1 (in rear fan as-
sembly)
•
Probable cause 2: IC3 (FPGA) on SY-422A board
•
Protected operation: None
•
Probable cause 1: REAR FAN 2 (in rear fan as-
sembly)
•
Probable cause 2: IC3 (FPGA) on SY-422A board
•
Protected operation: None
•
Probable cause 1: REAR FAN 3 (in rear fan as-
sembly)
•
Probable cause 2: IC3 (FPGA) on SY-422A board
•
Protected operation: None
•
Probable cause 1: REAR FAN 4 (in rear fan as-
sembly)
•
Probable cause 2: IC3 (FPGA) on SY-422A board
•
Protected operation: None
•
Probable cause 1: SLOT FAN (in slot fan assem-
bly)
•
Probable cause 2: IC3 (FPGA) on SY-422A board
•
Protected operation: None
•
Probable cause 1: DM FAN (on DM-154 board)
•
Probable cause 2: IC1 (FPGA1), D101, Q111 on
DM-154 board
•
Protected operation: None
•
Probable cause 1: DIO FAN 1 (on DIO-95 board
of port x)
•
Probable cause 2: IC2 (FPGA2), CN106, D112,
Q115 on DIO-95 board
•
Protected operation: None
•
Probable cause 1: DIO FAN 2 (on DIO-95 board
of port x)
•
Probable cause 2: IC2 (FPGA2), CN107, D113,
Q116 on DIO-95 board
•
Protected operation: None
Parts".
Description
Malfunction of power assembly was detected.
•
Probable cause: Power assembly
•
Protected operation: None
2-3
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