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APPENDICES
A
Appendix 1 Error Codes
Appendix 1.3 List of error codes (1000 to 1999)
1510
[SINGLE PS. DOWN]
The power supply voltage of either of redundant
power supply modules on the redundant base unit
dropped.
■Collateral information
• Common information: Base No./Power supply
No.
• Individual information: -
■Diagnostic timing
• Always
Check the power supplied to the redundant
power supply modules mounted on the
redundant base unit.
RUN: On
ERR.:On
CPU Status:Continue
Qn(H)
QnPH
QnPRH
QnU
1520
[SINGLE PS. ERROR]
On the redundant base unit, the one damaged
redundant power supply module was detected.
■Collateral information
• Common information: Base No./Power supply
No.
• Individual information: -
■Diagnostic timing
• Always
The cause is a hardware failure of the
redundant power supply module. Please
consult your local Mitsubishi representative.
RUN: On
ERR.:On
CPU Status:Continue
Qn(H)
QnPH
QnPRH
QnU
1600
[BATTERY ERROR
*2
]
• The battery voltage in the CPU module has
dropped below stipulated level.
• The lead connector of the CPU module battery
is not connected.
• The lead connector of the CPU module battery
is not securely engaged.
■Collateral information
• Common information: Drive Name
• Individual information: -
■Diagnostic timing
• Always
• Change the battery.
• Engage the battery connector when a
program memory, standard RAM, or the
back-up power function is used.
• Check the lead connector of the CPU
module for looseness. Firmly engage the
connector if it is loose.
RUN: On
ERR.:Off
CPU Status:Continue
QCPU
LCPU
1601
[BATTERY ERROR
*2
]
Voltage of the battery on memory card has
dropped below stipulated level.
■Collateral information
• Common information: Drive Name
• Individual information: -
■Diagnostic timing
• Always
Change the battery.
RUN: On
ERR.:Off
CPU Status:Continue
Qn(H)
QnPH
QnPRH
QnU (except
QnUDV)
1610
[FLASH ROM ERROR]
The number of writes to flash ROM (standard
ROM and system securement area) exceeds
100,000 times. (Number of writes > 100,000
times)
■Collateral information
• Common information: -
• Individual information: -
■Diagnostic timing
• When writing to ROM
Change the CPU module.
RUN: On
ERR.:On
CPU Status:Continue
QnU
LCPU
1700
[BUS TIMEOUT ERR.]
An error was detected on the system bus.
• Self-diagnosis error of the system bus
• Self-diagnosis error of the CPU module
■Collateral information
• Common information: -
• Individual information: -
■Diagnostic timing
• Always
Reset the CPU module and run it again. If the
same error code is displayed again, the
cause is a hardware failure of the CPU
module, I/O module, intelligent function
module, END cover, branch module, or
extension module. Please consult your local
Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
LCPU
1710
[UNIT BUS ERROR]
• An error was detected on the system bus.
• An error was detected in the connected module.
■Collateral information
• Common information: Module No. (Slot No.)
• Individual information: -
■Diagnostic timing
• Always
• Disconnect the extension block.
• Do not use the LA1S extension base unit.
• Reset the CPU module and run it again. If
the same error code is displayed again, the
cause is a hardware failure of the CPU
module, I/O module, intelligent function
module, END cover, branch module, or
extension module. Please consult your
local Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
LCPU
Error
code
Error and cause Corrective action
LED status,
CPU status
Corresponding
CPU
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