Delta MS300 Series User Manual page 634

Chapter 14 Fault CodesMS300
ID Display on LCD Keypad Fault Name Fault Descriptions
oc hardware error
140
GFF hardware protection error when power is ON.
(Hd6)
Action and Reset
Action Condition Hardware detection
Action Time Immediately act when the fault is detected
Fault Treatment Parameter N/A
Reset Method Power-off
Reset Condition N/A
Record Yes
Cause Corrective Actions
Cycle the power.
Hardware failure
If Hd6 still exists, return to the factory for repair.
625