Delta VFD370C43S-HS User Manual

Chapter 14 Fault Codes and DescriptionsC2000-HS
14-26
ID* Display on LCM Keypad Fault Name Fault Descriptions
40
Auto-tuning error
(AUE)
Motor auto-tuning error
Action and Reset
Action level Hardware detection
Action time Immediately act
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record Yes
Cause Corrective Actions
Press “STOP” key during
auto-tuning
Re-execute auto-tuning.
Incorrect motor capacity (too large
or too small) and parameter setting
Check motor capacity and related parameters.
Set the correct parameters, that is Pr. 01-01–Pr. 01-02.
Set Pr.01-00 larger than motor rated frequency.
Incorrect motor wiring Check the wiring.
Motor shaft lock Remove the cause of motor shaft lock.
The electromagnetic contactor is
ON at output side (U/V/W) of the
drive
Make sure the electromagnetic valve is OFF.
The load is too large.
Reduce the load.
Replace the motor with a larger capacity model.
Accel./Decel. time is too short Increase the setting values for Pr. 01-12–Pr. 01-19 (Accel./Decel. time).
ID* Display on LCM Keypad Fault Name Fault Descriptions
41
PID loss ACI (AFE)
PID feedback loss (analog feedback signal is only valid
when the PID function is enabled)
Action and Reset
Action level When the analog input < 4mA (only detects 4–20mA analog input)
Action time Pr. 08-08
Fault treatment parameter
Pr. 08-09
0: warn and keep operation
1: warn and ramp to stop
2: warn and coast to stop
3: warn and operate at last frequency
Reset method
Auto
When Pr. 08-09=3 or 4, AFE is a “Warning”. When the feedback signal
is > 4mA, the ”Warning” is automatically cleared.
Manual When Pr. 08-09=1 or 2, AFE is a “Fault”. You must reset manually.
Reset condition Immediately reset
Record
When Pr. 08-09=1 or 2, AFE is a “Fault”, and the fault is recorded; when Pr.
08-09=3 or 4, AFE is a “Warning”, and the warning is not recorded.
Cause Corrective Actions
PID feedback cable is loose or cut
off
Tighten the terminal.
Replace the cable with a new one.
Feedback device failure Replace the device with a new one.
Hardware failure Check all the wiring. If AFE fault still exists, return to the factory for repair.

Delta VFD370C43S-HS Specifications

General

Brand	Delta
Model	VFD370C43S-HS
Category	DC Drives
Language	English