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2-2.
Error Code List
An error code is displayed in combination of main code, sub code (1), sub code (2).
ERROR- xx
xx
xx
Main code
Sub code (1)
Tip
"ss" and "pp" that appear in the sub-code (2) have the following meaning.
• ss: The following numbers which identifies the internal memory slot
- 01: Slot A
- 02: Slot B
- 03: Slot C
- 04: Slot D
• pp: The following numbers which identifies the port
- 81: Port A-1
- 82: Port B-1
- 83: Port C-1
- 84: Port D-1
- 85: Port A-2
- 86: Port B-2
- 87: Port C-2
- 88: Port D-2
A character "x" used in error messages and their description indicates a memory slot number (SLOT Mx) or a port
location (PORT x).
SLOT M1 = Internal memory slot A
SLOT M2 = Internal memory slot B
SLOT M3 = Internal memory slot C
SLOT M4 = Internal memory slot D
Tip
The internal memory means the MDC-21 board.
2-2-1.
Main Code 14
Note
When main error code "14" occurs, immediately stop using the unit and turn it off. If the unit is used continuously with
any fan stopped, the internal temperature rises, which may cause other failures or fire.
When the cooling fan's abnormal operation is detected, one of the following errors occurs.
Main
Sub code
Sub code
code
(1)
(2)
14
01
00
14
02
00
14
03
00
PWS-4500
Sub code (2)
Error message
POWER SUPPLY A FAN
TROUBLE
POWER SUPPLY B FAN
TROUBLE
FRONT FAN1 TROU-
BLE
Description
•
Probable cause: Fan of the switching regulator A
•
Protected operation: None
•
Probable cause: Fan of the switching regulator B
•
Protected operation: None
•
Probable cause 1: FRONT FAN 1 (in front fan
assembly)
•
Probable cause 2: IC3 (FPGA) on SY-422 board
•
Protected operation: None
Continued
2-2
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