DL205 Frequently Asked Questions
Question
What causes a blinking run light on a D2-CM module?
Answer
The 'Run' light on the CM module will blink for only a couple of reasons- The termination switches on the EM modules are not set correctly.
- The CM is being used with a PLC that does not support it such as the D2-230, D2-240, or D2-250.
- The wiring is incorrect or bad.
- One of the EM modules is bad or has lost it's firmware due to power quality issues.
- The CM module is bad or has lost it's firmware due to power quality issues.
- The Base is bad.
You cannot update the FW in the EM or CM modules
FAQ Subcategory: Base Controllers
This item was last updated on 2021-01-25
Document ID: 1316
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