Delta VFD1A5MS43ANSAA User Manual

Chapter 14 Fault CodesMS300
597
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
63
Over slip error
(oSL)
On the basis of the maximum slip limit set via Pr.10-29,
the speed deviation is abnormal. When the motor drive
outputs at constant speed, F>H or F<H exceeds the
level set via Pr.07-29, and it exceeds the time set via
Pr.07-30, oSL shows. oSL occurs in induction motors
only.
Action and Reset
Action Condition
Pr.07-29
100% of Pr.07-29 = the maximum limit of the slip frequency (Pr.10-29)
Action Time
Pr.07-30
Fault Treatment Parameter
Pr.07-31
0: Warn and continue operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: No warning
Reset Method
Auto
Pr.07-31 = 0 is a warning.
When the motor drive outputs at constant speed, and F>H or F<H
does not exceed the level set via Pr.07-29 anymore, oSL warning will
be cleared automatically.
Hand
When Pr.07-31 = 1 or 2, oSL is an error, and it needs to reset
manually.
Reset Condition
Immediately reset
Record
Pr.07-31 = 1 or 2, oSL is “Fault”, and the fault is recorded.
Cause
Corrective Actions
Any of the motor parameters in
parameter group 5 may be
incorrect
Check the motor parameters
Overload
Decrease the load
Any of the setting value of Pr.07-
29, 07-30, and 10-29 is improper
Check the setting of oSL protection function related parameters

Delta VFD1A5MS43ANSAA Specifications

General

Brand	Delta
Model	VFD1A5MS43ANSAA
Category	DC Drives
Language	English