Mitsubishi Electric Q26UD(E)HCPU User Manual page 346

Error
Error and cause
code
[SYSTEM LAY ERR.]
An END cover that does not support an extension
system is connected in an extension system.
■Collateral information
2175
• Common information: Module No. (Block No.)
• Individual information: -
■Diagnostic timing
• At power-on/At reset
[SYSTEM LAY ERR.]
An extension cable is connected to the branch
module during operation.
■Collateral information
2176
• Common information: Module No. (Block No.)
• Individual information: -
■Diagnostic timing
• Always
[MISSING PARA.]
There is no parameter file in the drive specified as
valid parameter drive by the DIP switches.
■Collateral information
• Common information: Drive Name
• Individual information: -
■Diagnostic timing
• At power-on/At reset/STOP  RUN
[MISSING PARA.]
There is no parameter file at the program memory.
■Collateral information
• Common information: Drive Name
• Individual information: -
■Diagnostic timing
• At power-on/At reset/STOP  RUN
[MISSING PARA.]
Parameter file does not exist in all drives where
parameters will be valid.
■Collateral information
• Common information: Drive Name
• Individual information: -
■Diagnostic timing
• At power-on/At reset/STOP  RUN
[MISSING PARA.]
2200
• When using a parameter file in an SD memory
card, the SD memory card is being disabled by
SM606 (SD memory card forced disable
instruction).
• When using a parameter file in an SD memory
card, the SD memory card cannot be used
because the CPU module is locked.
■Collateral information
• Common information: Drive Name
• Individual information: -
■Diagnostic timing
• At power-on/At reset/At writing to programmable
controller
[MISSING PARA.]
• There is no parameter file in any drive.
• When using a parameter file in an SD memory
card, the SD memory card is being disabled by
SM606 (SD memory card forced disable
instruction).
■Collateral information
• Common information: Drive Name
• Individual information: -
■Diagnostic timing
• At power-on/At reset/STOP  RUN
344
Corrective action
Replace the END cover with one that
supports an extension system.
Disconnect the extension cable connected
during operation.
• Check and correct the valid parameter
drive settings made by the DIP switches.
• Set the parameter file to the drive specified
as valid parameter drive by the DIP
switches.
Set the parameter file to the program
memory.
Set a parameter file in a drive to be valid.
• Cancel the SD memory card forced disable
instruction.
• Set a parameter file in a drive other than an
SD memory card.
• Set a parameter file in a drive to be valid.
• Cancel the SD memory card forced disable
instruction.
LED status, Corresponding
CPU status
RUN: Off
ERR.:Flashing
LCPU
CPU Status:Stop
RUN: Off
ERR.:Flashing
LCPU
CPU Status:Stop
Qn(H)
QnPH
QnPRH
Q00J/Q00/Q01
RUN: Off
ERR.:Flashing
CPU Status:Stop
QnUDV
LCPU
CPU
QnU