Chapter 32 Troubleshooting - Mitsubishi Electric MELSEC iQ-R Series User Manual

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TROUBLESHOOTING
This chapter explains the content, causes, and corrective actions of errors that occur when the system is used.
For troubleshooting of individual modules, refer to the manual of each module.
If the errors cannot be resolved with the actions described in this manual, contact your local Mitsubishi Electric sales office or
representative.
1.
Check the LEDs of the power supply module and check whether an error has occurred.
For the display specifications and troubleshooting of the LEDs, refer to the following:
MELSEC iQ-R Module Configuration Manual
2.
Check the LEDs of this product. (Page 221 Checking Errors with LEDs)
3.
Check the LEDs of an I/O module and intelligent function module. (The manual of each module)
4.
Check whether an error has occurred by using the system monitor function or performing module diagnostics using CW
Configurator, and take the corresponding action. (Page 224 Checking Errors in CW Configurator)
5.
Check an event code with Windows Event Viewer, and take the corresponding action. (Page 223 Checking Events
with the Event Viewer)
6.
Check an error code of a dedicated function offered by this product, and take the corresponding action.
For the dedicated functions offered by this product, refer to the following:
MELSEC iQ-R MELSECWinCPU Module Programming Manual
7.
If the error cause cannot be specified by the step 1 to step 6, perform troubleshooting by symptom. (Page 254
TROUBLESHOOTING BY SYMPTOM)
For Windows-related troubleshooting, also refer to 'FAQ' in MITSUBISHI ELECTRIC FA Global Website.
• www.mitsubishielectric.com/fa/
8.
If no error corresponding to the above troubleshooting has occurred, perform any of the following operations:
• Reset the bus.
• Write parameters in CW Configurator, and reset the bus.
• Restart Windows in this product.
• Restart a MELSECWinCPU module.
9.
If the same error occurs even if the operation above is performed, perform the bus access diagnostics function.
(Page 202 BUS ACCESS DIAGNOSTICS FUNCTION)
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