I/O MODULE LOST COMM
UnclassifiedGeneral
What This Code Means
Communication lost with installed I/O module
Possible Causes
- •I/O device does not have a correct address specified
- •I/O device stopped communicating
- •Lost communication with an installed I/O module
Related Rehlko Fault Codes
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Get a diagnosis walkthrough for I/O MODULE LOST COMM on your specific Rehlko unit — cited to the OEM manual, not a forum guess.
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