Mitsubishi Electric MELSEC iQ-R Series User Manual page 82

Troubleshooting on RUN LED
Symptom
The RUN LED does not turn
ON.
The RUN LED is flashing in
red or ON in red.
*1 Can be checked in the "Module Diagnostics" screen of the system monitor. (Page 75 Module information list)
Troubleshooting on ERR LED
Symptom
The ERR LED is ON or
flashing.
*1 Can be checked in the "Module Diagnostics" screen of the system monitor. (Page 75 Module information list)
Troubleshooting on OPR LED
Symptom
The OPR LED does not turn
ON.
Troubleshooting on CARD RDY LED
Symptom
The CARD RDY LED does
not turn ON.
It takes time for the CARD
RDY LED to turn ON.
The CARD RDY LED
remains flashing after
removing an SD memory
card.
5 TROUBLESHOOTING
80
5.5 Recorder Module
Check point
Is the module properly mounted on the base unit?
Has an error occurred in a CPU module?
Is the ERR LED flashing?
Is "Firmware Update" displayed in [Module Diagnostics] 
*1
[Module Information List] of GX Works3?
Check point
Check the error code in the system monitor of GX Works3.
Is "Automatic Hardware Test" displayed in [Module
Diagnostics]  [Module Information List]
Check point
Check whether a recording setting is written to a CPU module
by reading the project from the CPU module in GX Works3.
Is the operating status of the recording function 'operating'?
(Page 40 Operating status)
Has the SD memory card been removed while being
formatted?
Check point
Is an SD memory card inserted?
Is 'File access status' (X2) ON (file access stopped)?
Is a supported SD memory card used?
Has the power been turned OFF or a CPU module been reset
while saving a file?
Has the SD memory card been formatted in another device
such as a personal computer?
Has the power been turned OFF or a CPU module been reset
while formatting an SD memory card?
Is the number of files in the inserted SD memory card large?
Has the SD memory card been removed while being mounted
(while the CARD RDY LED is flashing)?
Corrective action
• Mount the module properly.
• Take corrective action for the error that occurred in the CPU
module.
• Refer to the following section to take corrective action.
Page 80 Troubleshooting on ERR LED
• Wait until the firmware update is completed, and check the
error code and take corrective action if it is completed
abnormally. (Page 110 Firmware update history
information area (Un\G13392 to 13427))
Corrective action
• Check the error description and take corrective action
according to the error code.
• Wait until the automatic hardware test is completed, and
*1
of GX Works3? check the error code and take corrective action if it is
completed abnormally.
Page 77 Automatic hardware test
Corrective action
• Write the recording setting to the CPU module.
(MELSEC iQ-R System Recorder User's Manual
(Startup))
• Switch the operating status to 'operating.'
For the operation method, refer to the following:
Page 41 Operation of the recording function
• Reset the CPU module or cycle the power.
(Do not remove an SD memory card while being formatted.)
Corrective action
• Insert an SD memory card. (MELSEC iQ-R System
Recorder User's Manual (Startup))
• Release the file access stop state. (MELSEC iQ-R
System Recorder User's Manual (Startup))
• Use a supported SD memory card. (MELSEC iQ-R
System Recorder User's Manual (Startup))
• Use the SD memory card format function to format the SD
memory card. (Page 88 SD memory card format
function)
• Use the SD memory card format function to format the SD
memory card again. (Page 88 SD memory card format
function)
• Delete unnecessary files from the SD memory card.
• Reset the CPU module or cycle the power.
(Do not remove an SD memory card while being mounted.)