Delta VFD17AMS23ANSAA

Chapter 14 Fault CodesMS300
588
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
51
External base block
(bb)
When the contact of MIx=bb is ON, the output stops
immediately and displays bb on the keypad. The motor
is in free running.
Action and Reset
Action Condition
MIx = bb and the MI terminal is ON
Action Time
Immediately act
Fault Treatment Parameter
N/A
Reset Method
The display “bb” is automatically cleared after the fault is cleared.
Reset Condition
N/A
Record
No
Cause
Corrective Actions
When MIx=bb activates
Verify if the system is back to normal condition, and then press “RESET” key to
go back to the default.