Mitsubishi MELSEC Q Series Programming Manual page 934

Error
Error Contents and Cause
Code
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• There was no response from the intelligent
function module/special function module in the
initial processing.
• The size of the buffer memory of the intelligent
function module/special function module is
invalid.
• The unsupported module is mounted.
■Collateral information
• Common Information: Module No. (Slot No.)
• Individual Information:-
■Diagnostic Timing
• At power-on/At reset/When intelligent function
module is accessed
[SP. UNIT DOWN]
1401
• There was no response from the intelligent
function module in the initial processing.
• The buffer memory size of the intelligent function
module is invalid.
• There was no response form the intelligent
function module.
• The start I/O No. of the targeted intelligent
function module is stored as a common
information upon error.
■Collateral information
• Common information: Module No. (Slot No.)
• Individual Information:-
■Diagnostic Timing
• At power-on/At reset/When intelligent function
module is accessed
[SP. UNIT DOWN]
The intelligent function module/special function
module was accessed in the program, but there
was no response.
■Collateral information
• Common Information: Module No. (Slot No.)
• Individual Information: Program error location
■Diagnostic Timing
• When an intelligent function module access
instruction is executed
1402
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The intelligent function module was accessed by
the program, but there was no response.
■Collateral information
• Common information: Module No. (Slot No.)
• Individual information: Program error location
■Diagnostic Timing
• When an intelligent function module access
instruction is executed
12-14
Corrective Action
When the unsupported module is mounted,
remove it.
If the corresponding module is supported, this
suggests the intelligent function module/special
function module, CPU module and/or base unit is
expecting a hardware fault (Please consult your
local Mitsubishi representative, explaining a
detailed description of the problem.)
• 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.)
The cause is a hardware failure of the intelligent
function module/special function module, CPU
module, or base unit. (Please consult your local
Mitsubishi representative, explaining a detailed
description of the problem.)
• 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.)
LED Status Corresponding
CPU Status CPU
QCPU
RUN:
Off/On
LCPU
ERR.:
Flicker/On
CPU Status:
Stop/
*6
Continue
QCPU
LCPU