Delta VFD4A2ME43ANNAA User Manual

Chapter 14 Fault Codes and DescriptionsME300
14-7
Reset condition
Reset when DC BUS voltage is higher than Pr.06-00 + 30 V (230V series) / 60 V
(460V series).
Record Yes
Cause Corrective Actions
Power-off Improve power supply condition.
Power voltage changes Adjust voltage to the power range of the drive.
Start up the motor with large
capacity.
Check the power system.
Increase the capacity of power equipment.
Sudden load
Reduce the load.
Increase the drive capacity.
DC BUS Install DC reactor(s).
ID No. Display on LCM Keypad Fault Name Fault Descriptions
13
Low-voltage at
constant speed
(Lvn)
DC BUS voltage is lower than Pr.06-00 setting value at
constant speed.
Action and Reset
Action level Pr.06-00 (Default = depending on the model)
Action time Immediately act when DC BUS voltage is lower than Pr.06-00.
Fault treatment parameter N/A
Reset method Manual reset
Reset condition
Reset when DC BUS voltage is higher than Pr.06-00 + 30 V (230V series) / + 60
V (460V series).
Record Yes
Cause Corrective Actions
Power-off Improve power supply condition.
Power voltage changes Adjust voltage to the power range of the drive.
Start up the motor with large
capacity.
Check the power system.
Increase the capacity of power equipment.
Sudden load
Reduce the load.
Increase the drive capacity.
DC BUS Install DC reactor(s).
ID No. Display on LCM Keypad Fault Name Fault Descriptions
14
Low-voltage at stop
(LvS)
1. DC BUS voltage is lower than Pr.06-00 setting
value at stop.
2. Hardware failure in voltage detection.
Action and Reset
Action level Pr.06-00 (Default = depending on the model)
Action time Immediately act when DC BUS voltage is lower than Pr.06-00.
Fault treatment parameter N/A
Reset method
Manual / Auto
230V series: Lv level + 30 V
DC
+ 500 ms
460V series: Lv level + 60 V
DC
+ 500 ms
Reset condition 500 ms
Record Yes
Cause Corrective Actions
Power-off Improve power supply condition.
Incorrect drive models Check if the power specification matches the drive.
Power voltage changes
Adjust voltage to the power range of the drive.
Cycle the power after checking the power. If LvS error still exists, return to the
factory for repair.
Start up the motor with large
capacity.
Check the power system.
Increase the capacity of power equipment.
DC BUS Install DC reactor(s).
ID No. Display on LCM Keypad Fault Name Fault Descriptions
15
Phase loss protection
(OrP)
Phase loss of power input
Action and Reset
Action level DC BUS is lower than Pr.07-00, and DC BUS ripple is too high.
Action time N/A

Delta VFD4A2ME43ANNAA Specifications

General

Brand	Delta
Model	VFD4A2ME43ANNAA
Category	DC Drives
Language	English