Delta MS300 Series User Manual page 629

Chapter 14 Fault CodesMS300
ID Display on LCD Keypad Fault Name Fault Descriptions
Internal communication
127
error Abnormal internal communication
(CP33)
Action and Reset
Action Condition Software detection
Action Time Immediately act
Fault Treatment Parameter N/A
Reset Method N/A
Record Yes
Cause Corrective Actions
Internal communication error Contact your local distributor or Delta.
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