Chapter 3 Troubleshooting - Mitsubishi Electric MELSEC iQ-R User Manual

3
TROUBLESHOOTING
This chapter explains the errors which may occur when using a BACnet module and the troubleshooting.
3.1
Checking Method of Error Descriptions
The following are the methods to check error descriptions.
Checking method
LED on the module
Message logs of the configuration function
Checking LED status
Check the following LED status, and take corrective actions.
Name State
RUN OFF
ERR ON
For the descriptions on each LED indication, refer to the following manual.
MELSEC iQ-R BACnet Module User's Manual (Startup)
3 TROUBLESHOOTING
232
3.1 Checking Method of Error Descriptions
Description
The status of a BACnet module can be checked.
Page 232 Checking LED status
Errors related to BACnet communication can be checked by [Log]  [Message].
Page 238 Message Log List
Corrective action
Reset the programmable controller CPU.
If the LED does not turn ON, a hardware error may have occurred.
Please consult your local Mitsubishi representative.
A hardware error may have occurred.
Please consult your local Mitsubishi representative.