Delta VFD300C43S-HS User Manual page 576

Chapter 14 Fault Codes and DescriptionsC2000-HS
ID* Display on LCM Keypad
28
Action level
Action time
Fault treatment parameter
Reset method
Reset condition
Record
Active level
Cause
Motor cable disconnection
Improper setting of low-current
protection
The load is too low
ID* Display on LCM Keypad
29
Action level
Action time
Fault treatment parameter
Reset method
Reset condition
Record
Cause
The limit ON/OFF switch is on
incorrect position
Deceleration time is too long,
causing the motor cannot stop at
limited position
The motor cannot stop due to
over-voltage stall prevention
Malfunction caused by interference
Fault Name
Under current
Low current detection
(uC)
Action and Reset
Pr. 06-71
Pr. 06-72
Pr. 06-73
0: No function
1: warn and coast to stop
2: warn and ramp to stop by 2
3: warn and operation continue
When Pr. 06-73=3, uC is a "Warning". The warning is automatically
Auto
cleared when the output current > (Pr. 06-71+0.1A).
Manual When Pr. 06-73=1 or 2, uC is a "Fault". You must reset manually.
Immediately reset
When Pr. 06-71=1 or 2, uC is a "Fault", and the fault is recorded.
Troubleshoot the connection between the motor and the load.
Reset Pr. 06-71, Pr. 06-72 and Pr. 06-73 to proper settings.
Check the load status.
Check if the motor capacity matches the load.
Fault Name
When MIx=45 (forward run limit) or MIx=44 (backward
Limit Error (LMIT) run limit) act during operation, LMIT error shows.
Action and Reset
MIx=44 (backward run limit) or MIx=45(forward run limit)
Immediately act
N/A
Manual reset
Immediately reset
Yes
Install the limit ON/OFF switch to correct position.
Reduce deceleration time.
Adjust setting values for brake level (Pr. 07-01 or the insert position on the brake
unit).
Reset the over-voltage stall prevention.
Verify wiring of the control circuit and wiring/grounding of the main circuit to
prevent interference.
14-22
Fault Descriptions
nd deceleration time
Corrective Actions
Fault Descriptions
Corrective Actions