Troubleshooting steps
Check PLC diagnostic display verify system configuration
Mitsubishi PLC
E102 – Communication error
Communication protocol error
Details
Communication protocol error. Check PLC diagnostics and system status.
Error typealarm
MeaningCommunication error
Typical causesPLC fault communication fault system fault
SolutionsCheck PLC diagnostic display verify system configuration
Severityhigh
Catalog references
Vendor Information
MitsubishiE102
Utilities
Troubleshooting Steps
Related
Related Mitsubishi PLC Codes
FAQ
Common questions
How do I clear?
Fix the cause then reset the PLC
Community
Discussion & Experiences
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