Delta ME300 Series - Page 442

Chapter 14 Fault Codes and Descriptions
ME300
14-47
No. Display on LED Keypad Fault Name Fault Descriptions
87
Overload protection
for components inside
the motor drive (oL3)
Power components inside the motor drive reach the
overload protection level.
Action and Reset
Action condition Software detection
Action time Immediately act
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record Yes
Cause Corrective Actions
The power components inside the
motor drive are overloaded.
1. Decrease the load of the motor drive.
2. Decrease the carrier frequency (Pr.00-17).
3. Improve the heat dissipation of the distribution box.
4. Increase the acceleration time.
5. Use a motor drive with larger capacity.
6. Decrease the current limit (Pr.06-03, Pr.06-04, Pr.06-12).
No. Display on LED Keypad Fault Name Fault Descriptions
142
Auto-tune error 1
(AUE1)
No feedback current error when motor parameter
automatically detects.
Action and Reset
Action condition Software detection
Action time Immediately act
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record Yes
Cause Corrective Actions
Motor is not wired. Wire the motor correctly.
The electromagnetic contactor is
OFF at the output side of the drive
(U/V/W).
Verify that the electromagnetic valve is ON.