Delta C2000 Series User Manual page 693

Chapter 14 Fault Codes and DescriptionsC2000
ID* Display on LCM Keypad
27
Action level
Action time
Fault treatment parameter
Reset method
Reset condition
Record
Active level
Cause
Incorrect parameter setting
Mechanical failure (e.g.
over-torque, mechanical lock)
The load is too large.
Accel./Decel. time and working
cycle are too short
V/F voltage is too high
The motor capacity is too small
Overload during low-speed
operation
Torque compensation is too large
Improper parameter settings for
speed tracking function (including
restart at momentary power loss
and restart after fault)
Fault Name
When output current exceeds the over-torque detection
Over torque 2 level (Pr.06-10) and exceeds over-torque detection time
(ot2) (Pr.06-11), and when Pr.06-09 is set to 2 or 4, the ot2
error displays.
Action and Reset
Pr. 06-10
Pr. 06-11
Pr. 06-09
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
When Pr. 06-09=1 or 3, ot2 is a "Warning". The warning is
Auto
automatically cleared when the output current < (Pr. 06-10 – 5%).
Manual When Pr. 06-09=2 or 4, ot2 is a "Fault". You must reset manually.
Immediately reset
When Pr. 06-09=2 or 4, ot2 is a "Fault", and the fault is recorded.
Reset Pr. 06-07 and Pr. 06-08
Remove the causes of malfunction.
Reduce the load.
Replace the motor with a larger capacity model.
Increase the setting values for Pr.01-12–01-19 (accel./decel. time).
Adjust the settings for Pr.01-01–01-08 (V/F curve), especially the setting value
for the mid-point voltage (if the mid-point voltage is set too low, the load capacity
decreases at low speed).
Replace the motor with a larger capacity model.
Decrease low-speed operation time.
Increase the motor capacity.
Adjust the torque compensation (refer to Pr.07-26 torque compensation gain)
until the current reduces and the motor does no stall.
Correct the parameter settings for speed tracking.
1. Start the speed tracking function.
2. Adjust the maximum current for Pr.07-09 speed tracking.
14-22
Fault Descriptions
Corrective Actions