Mitsubishi Melsec-Q Series User Manual page 371

Error
Error Contents and Cause
Code
[SINGLE PS. DOWN]
The power supply voltage of either of redundant
power supply modules on the redundant base unit
dropped.
1510 ■Collateral information
• Common Information:Base No./ Power supply No.
• Individual Information:–
■Diagnostic Timing
• Always
[SINGLE PS. ERROR]
On the redundant base unit, the one damaged
redundant power supply module was detected.
■Collateral information
1520
• Common Information:Base No./ Power supply No.
• Individual Information:–
■Diagnostic Timing
• Always
*3
[BATTERY ERROR ]
• 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
1600
not securely engaged.
■Collateral information
• Common Information:Drive Name
• Individual Information:–
■Diagnostic Timing
• Always
*3
[BATTERY ERROR ]
Voltage of the battery on memory card has dropped
below stipulated level.
■Collateral information
1601
• Common Information:Drive Name
• Individual Information:–
■Diagnostic Timing
• Always
[FLASH ROM ERROR]
The number of writing to flash ROM (standard ROM
and system securement area) exceeds 100,000
times.
(Number of writings >100,000 times)
1610
■Collateral information
• Common Information:–
• Individual Information:–
■Diagnostic Timing
• When writing to ROM
*3 BAT. LED is displayed at BATTERY ERROR.
*6 The module whose first 5 digits of serial No. is "04101" or later.
*12 The module whose first 5 digits of serial No. is "10042" or later.
*14 The Universal model QCPU except the Q00UJCPU, Q00UCPU, and Q01UCPU.
Corrective Action
Check the power supplied to the redundant power
supply modules mounted on the redundant base
unit.
Hardware fault of the redundant power supply mod-
ule. (Contact your local Mitsubishi representative,
explaining a detailed description of the problem.)
• Change the battery.
• If the battery is for program memory, standard
RAM or for the back-up power function, install a
lead connector.
• Check the lead connector of the CPU module for
looseness. Firmly engage the connector if it is
loose.
Change the battery.
Change the CPU module.
CHAPTER12 TROUBLESHOOTING
LED Status Corresponding
CPU Status CPU
RUN:
On
*6
Qn(H)
ERR.:
*6
QnPH
On
QnPRH
*12
QnU
CPU Status:
Continue
QCPU
RUN:
On
ERR.:
Off
CPU Status:
Continue
Qn(H)
QnPH
QnPRH
*14
QnU
RUN:
On
ERR.:
On QnU
CPU Status:
Continue
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