Delta VFD4A2ME43ANNAA User Manual

Chapter 13 Warning CodesME300
13-6
Improper parameter settings for
the speed tracking function
(including restart after momentary
power loss and restart after fault)
Correct the parameter settings for speed tracking.
Start the speed tracking function.
Adjust the maximum current for Pr.07-09 speed tracking.
ID No. Display on LCM Keypad Warning Name Description
21
Over-torque (ot2) Over-torque 2 warning
Action and Reset
Action level Pr.06-10
Action time Pr.06-11
Warning treatment parameter
Pr.06-09=1 or 3
0: No function
1: Continue operation after over-torque detection during constant speed
operation
2: Stop after over-torque detection during constant speed operation
3: Continue operation after over-torque detection during RUN
4: Stop after over-torque detection during RUN
Reset method When output current < (Pr.06-10 – 5%), the Ot2 warning automatically clears.
Reset condition When output current < (Pr.06-10 – 5%), the Ot2 warning automatically clears.
Record N/A
Cause Corrective Actions
Incorrect parameter setting Configure the settings for Pr.06-10 and 06-11 again.
Mechanical error (e.g. mechanical
lock due to over-torque)
Remove the causes of malfunction.
The load is too large.
Decrease the loading.
Replace with a motor with larger capacity.
Accel./ Decel. time and working
cycle is too short.
Increase the setting values for Pr.01-12–01-19 (accel./ decel. time).
V/F voltage is too high.
Adjust the settings for Pr.01-35–01-42 (V/F curve), especially the setting value
for the mid-point voltage (if the mid-point voltage is set too small, the load
capacity decreases at low-speed).
The motor capacity is too small. Replace with a motor with larger capacity.
Over-load during low-speed
operation.
Decrease the loading during low-speed operation.
Increase the motor capacity.
The torque compensation is too
large.
Readjust the torque compensation value (Pr.07-26 torque compensation gain)
till the output current decreases and the motor does not stall.
Improper parameter settings for
the speed tracking function
(including restart after momentary
power loss and restart after fault)
Correct the parameter settings for speed tracking.
Start the speed tracking function.
Adjust the maximum current for Pr.07-09 speed tracking.
ID No. Display on LCM Keypad Warning Name Description
22_1
Motor over-heating
(oH3) PTC
Motor over-heating warning.
The AC motor drive detects the temperature inside the
motor is too high.
Action and Reset
Action level Pr.03-00=6 (PTC), PTC input level > Pr.06-30 (default=50%).
Action time Immediately act
Warning treatment parameter
Error treatment: Pr.06-29
0: Warn and continue operation
1: Warn and ramp to stop
2: Warn and coast to stop
3: No warning
When Pr.06-29=0 and when the temperature is ≤ Pr.06-30 level, the oH3
warning automatically clears.
When Pr.06-29=0 (“Warning”), it automatically resets.
Reset method
When Pr.06-29=0, oH3 displays “Warning”. When the temperature is ≤ Pr.06-30
level, the oH3 warning automatically clears.
Reset condition When the temperature is ≤ Pr.06-30 level, the oH3 warning automatically clears.
Record N/A

Delta VFD4A2ME43ANNAA Specifications

General

Brand	Delta
Model	VFD4A2ME43ANNAA
Category	DC Drives
Language	English