Delta VFD055ED43S

Chapter 14 Fault Codes | VFD-ED
14-3
ID
No.*
Display on
KPED-LE01
Display on KPC-CC01 Descriptions
7

DC bus over-voltage during acceleration
230V: 405 V
DC
; 460V: 810 V
DC
corrective action
1. Check if the input voltage falls in the rated AC motor drive
input voltage range.
2. Check for possible voltage transients.
3. If DC bus over-voltage is due to regenerative voltage,
increase the Acceleration Time or add an optional brake
resistor.
8

DC bus over-voltage during deceleration
230V: 405 V
DC
; 460V: 810 V
DC
corrective action
1. Check if the input voltage falls in the rated AC motor drive
input voltage range.
2. Check for possible voltage transients.
3. If DC bus over-voltage due to regenerative voltage, increase
the Deceleration Time or add an optional brake resistor.
9

DC bus over-voltage at constant speed
230V: 405 V
DC
; 460V: 810 V
DC
corrective action
1. Check if the input voltage falls in the rated AC motor drive
input voltage range.
2. Check for possible voltage transients.
3. If DC bus over-voltage due to regenerative voltage, increase
the Deceleration Time or add an optional brake resistor.
10

Over-voltage at stop
Hardware failure in voltage detection.
corrective action
1. Check if the input voltage falls in the rated AC motor drive
input voltage range.
2. Check for possible voltage transients.
11

DC bus voltage during acceleration is less than the setting in Pr.06-
00.
corrective action
1. Check if the input voltage is normal.
2. Check for possible sudden load change.
12

DC bus voltage during deceleration is less than the setting in Pr.06-
00.
corrective action
1. Check if the input voltage is normal.
2. Check for possible sudden load change.
ovA
ov at Accel
Fault
ovd
ov at Decel
Fault
ovn
ov at Normal SPD
Fault
ovS
ov at Stop
Fault
LvA
Lv at Accel
Fault
Lvd
Lv at Decel
Fault