Delta VFD450C43S-21 User Manual

Chapter 14 Fault Codes and DescriptionsC2000 Plus
14-114
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
188
Load estimation error
(TLAT)
The initial load estimation error occurs when using
Explorer for ASR Auto Tune.
Action and Reset
Action condition
The estimated load variation cannot converge to 10% and below.
Action time
60 seconds
Fault treatment parameter
N/A
Reset method
Manual reset
Reset condition
Reset immediately
Record
Yes
Cause
Corrective Actions
The initial load estimation cannot
converge
Verify if the load is stable. It cannot estimate the inertia correctly if the load
vibrates.
Initial load is too large
Increase torque command to support the load.

Delta VFD450C43S-21 Specifications

General

Brand	Delta
Model	VFD450C43S-21
Category	DC Drives
Language	English