Mitsubishi MELSEC Q Series - Page 939

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12.1 Error Code List 12.1.3 Error code list (1000 to 1999)
1600
[BATTERY ERROR
*3
]
• 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
*3
]
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.
Qn(H)
QnPH
QnPRH
QnU
*19
1610
[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)
■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, or END cover. (Please
consult your local Mitsubishi representative,
explaining a detailed description of the problem.)
RUN:
Off
ERR.:
Flicker
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
1720
[END COVER ERR.]
A failure was detected on the END cover.
■Collateral information
• Common Information:-
• Individual Information:-
■Diagnostic Timing
• At power-ON/At reset/When an END instruction
executed
• Replace the END cover.
• Reset the CPU module and run it again. If the
same error code is displayed again, the cause is
a failure of the intelligent function module, CPU
module, or END cover. (Please consult your
local Mitsubishi representative, explaining a
detailed description of the problem.)
1730
[SYSTEM RST ERR.]
An error was detected in the system bus.
■Collateral information
• Common Information:-
• Individual Information:-
■Diagnostic Timing
• At power-ON/At reset
Error
Code
Error Contents and Cause Corrective Action
LED Status
CPU Status
Corresponding
CPU