316
1160
[RAM ERROR]
The program memory in the CPU module is
overwritten.
■Collateral information
• Common information: Program error location
*5
• Individual information: -
■Diagnostic timing
• Always
• Take noise reduction measures.
• Format the program memory, write all files
to the CPU module, and reset the module
to run it again. If the same error code is
displayed again, the cause is a hardware
failure of the CPU module. Please consult
your local Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnU
LCPU
1161
[RAM ERROR]
The data of the device memory built in the CPU
module is overwritten.
■Collateral information
• Common information: Program error location
*5
• Individual information: -
■Diagnostic timing
• Always
Take noise reduction measures. If the same
error code is displayed again, the cause is a
hardware failure of the CPU module. Please
consult your local Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnU
LCPU
1163
[RAM ERROR]
The program memory in the CPU module is
overwritten.
■Collateral information
• Common information: -
• Individual information: -
■Diagnostic timing
• When instruction executed ("Always" for
QnUDVCPU)
• Take noise reduction measures.
• For GX Works2, select "Transfer cache
memory to program memory" in the
Options window. For GX Developer, select
"Online change T/C setting value change
program memory transfer settings" in the
Options window.
• Format the program memory, write all files
to the CPU module, and reset the module
to run it again. If the same error code is
displayed again, the cause is a hardware
failure of the CPU module. Please consult
your local Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnU
LCPU
1164
[RAM ERROR]
The destruction of the data stored in the standard
RAM is detected.
■Collateral information
• Common information: -
• Individual information: -
■Diagnostic timing
• When instruction executed
Take noise reduction measures. If the same
error code is displayed again, the cause is a
hardware failure of the CPU module. Please
consult your local Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnU
*6
L26CPU
L26CPU-P
L26CPU-BT
L26CPU-PBT
1166
[RAM ERROR]
The internal memory in the CPU module is faulty.
■Collateral information
• Common information: -
• Individual information: -
■Diagnostic timing
• Always
Take noise reduction measures. If the same
error code is displayed again, the cause is a
hardware failure of the CPU module. Please
consult your local Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
Q50UDEHCPU,
Q100UDEHCPU
1170
[RAM ERROR]
The RAM of the CPU module (built-in I/O) is faulty.
■Collateral information
• Common information: -
• Individual information: Failure information
■Diagnostic timing
• At power-on/At reset
Take noise reduction measures. If the same
error code is displayed again, the cause is a
hardware failure of the CPU module. Please
consult your local Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
LCPU
1171
[RAM ERROR]
The RAM of the CPU module (built-in I/O) is faulty.
■Collateral information
• Common information: -
• Individual information: Failure information
■Diagnostic timing
• Always
Take noise reduction measures. If the same
error code is displayed again, the cause is a
hardware failure of the CPU module. Please
consult your local Mitsubishi representative.
RUN: Off
ERR.:Flashing
CPU Status:Stop
LCPU
1172
[RAM ERROR]
The RAM of the CPU module (built-in I/O) is faulty.
■Collateral information
• Common information: -
• Individual information: Failure information
■Diagnostic timing
• At power-on/At reset
Take noise reduction measures. If the same
error code is displayed again, the cause is a
hardware failure of the CPU 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