Delta MS300 Series User Manual page 501

Chapter 13 Warning CodesMS300
ID No. Display on LCD Keypad
24
Action Condition
Action Time
Warning Setting Parameter
Reset Method
Reset Condition
Record
Cause
Check if the motor parameter is
correct
The load is too large
Check if the settings for Pr.07-29,
Pr.07-30 and Pr.10-29 are properly
set
Warning Name
Over slip warning
(oSL)
Action and Reset
When the drive outputs at constant speed, and F > H or F < H exceeds the
Pr.07-29 condition
Pr.07-30
Pr.07-31 = 0 Warning
0: Warn and continue operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: No warning
When Pr.07-31 = 0 and when the drive outputs at constant speed, and F > H or
F < H no longer exceeds the Pr.07-29 condition, the oSL warning automatically
clears.
N/A
N/A
Check the motor parameter.
Decrease the loading.
Check the parameter settings for oSL protection.
492
Description
Over slip warning.
By using the maximum slip (Pr.10-29) as the base,
when the drive outputs at constant speed, and the F >
H or F < H exceeds Pr.07-29 condition and Pr.07-30
setting time, 100% Pr.07-29 = Pr.10-29.
Corrective Actions