Troubleshooting - Mitsubishi Electric Q81BD-J61BT11 User Manual

16 TROUBLESHOOTING

16 TROUBLESHOOTING
This section explains the identification of the causes and troubleshooting when an error
occurred.
(1) Basic checking procedure
(2) When error cannot be solved
16 - 1
Check if there is a corresponding error symptom written in "Verification of
problem occurrence" (Section 16.1).
If the corresponding error could not be found, check the cause by following the
procedure shown below.
1. Check if all the boards installed on a personal computer are displayed
with the utility.
• Check on the Board information screen (Refer to Section 8.2.2)
• Check on the Event Viewer screen (Refer to Section 16.3.2)
• Check on the Device Manager screen (Refer to Section 16.3.3)
2. Check the LED display of the board.
• Check the LED status (Refer to Section 5.2)
3. Check the error occurring at the utility.
• Check on the Board information screen (Refer to Section 8.2.2 )
• Check the status of stations on the Other station monitor screen
(Refer to Section 8.2.3)
• Check with test (Refer to Section 8.2.8)
4. Check the access target device.
• Check if the board operates as set to the parameter or program by
checking whether the link devices perform communication, or
transient send/receive performs normally with the device monitor
utility (Refer to MELSEC Data Link Library Reference Manual)
5. Check the user program.
• Check the arguments and returned values of the communication
function (Refer to MELSEC Data Link Library Reference Manual)
If the troubleshooting above does not help, refer to Section 16.7.
MELSEC
16
16 - 1