Delta VFD040C43A-21 - Page 891

Chapter 13 Warning CodesC2000 Plus
13-90
ID No. Display on LCD Keypad Warning Name Description
123
Deceleration energy
backup (dEb)
Deceleration energy backup
Action and Reset
Action condition Software detection
Action time N/A
Warning setting parameter
0: Disable
1: dEb with auto accel./decel., the output
frequency will note return after power
reply.
2: dEb with auto accel./decel., the output frequency will return after power reply.
3: dEb low-voltage control, then increase to 350V
DC
/700V
DC
and decelerate to
stop.
4: dEb high-voltage control of 350V
DC
/700V
DC
and decelerate to stop
Reset method Manual reset
Reset condition Immediately resets
Record N/A
Cause Corrective Actions
Instantaneous power off or low
voltage and unstable/ sudden
heavy load of the power that
cause the voltage drop
Check the power consumption
Unexpected power off Check the power consumption