Operation At Error Detection - Mitsubishi Electric MELSEC iQ-R Series User Manual

Check visually that there is no inactive dot exists on the dot matrix LED.
If there is any inactive LED, the C Controller module may have hardware failure. Please consult your local
Mitsubishi representative.

Operation at error detection

The error contents displayed at the time of error detection are shown below.
Dot matrix LED displays other than "0000"
The ERROR LED start flashing and the value corresponding to the diagnostics on which an error occurred will be displayed at
the time of error detection during diagnostics or setting. Only flashing of the ERROR LED without dot matrix LED display
means a system error.
Mode Dot matrix LED
1 E010
E020
E030
E040
2 E050
E060
3 E070
4 E080
5 E090
6 E0A0
E0B0
E0C0
E0D0
E0E0
*1 An error may occur if a wiring cable is not connected properly. Connect the cable or wire the cable correctly again, and perform the
diagnostics for Mode 4.
The diagnostics or setting will be terminated at the time of abnormal completion. Retry the diagnostics or
setting. If an error is detected after the abnormal completion, the C Controller module may have its hardware
failure. Please consult your local Mitsubishi representative.
6 PROCEDURE BEFORE OPERATION
38
6.2 Performing Hardware Diagnostics
Diagnostics on which an error occurred
Program memory, data memory diagnostic test
Device/label memory diagnostic test
Ethernet diagnostic test (CH1)
Ethernet diagnostic test (CH2)
SD memory card interface diagnostic test
*1
RS-232 diagnostic test
USB diagnostic test
Bus diagnostic test