Delta VP3000 Series - Page 549

Chapter 8 Troubleshooting｜VP3000
540
ID No.
Fault Name
Descriptions
63
Over slip
(oSL)
On the basis of the maximum slip limit set via Pr. H5-50, the speed deviation is
abnormal. When the motor drive outputs at constant speed, F > H or F < H
exceeds the level set via Pr. H5-54, and it exceeds the time set via Pr. H5-55,
oSL shows. oSL occurs in induction motors only.
Action and Reset
Action Condition
When the drive outputs at constant speed, and F > H or F < H exceeds the Pr.
H5-54 level
Action Time
H5-55
Fault Treatment Parameter
H5-48
0: Warning & continue OPER
1: Fault & Ramp to Stop
2: Fault & Auto-Decel
3: Fault & coast to stop
4: Fault & by Quick Stop Time
Reset Method
Auto
When Pr. H5-48 = 0, oSL is “Warning”.
When the drive outputs at constant speed, and F > H or F < H exceeds
the Pr. H5-54 level, oSL warning will
be cleared automatically.
Manual
“Error” occurs when Pr. H5-48 = 1–4, oSL is “Fault”. You must reset
manually.
Reset Condition
Immediately reset
Record
Records when Pr. H5-48 = 1–4, oSL is “Fault”
Cause
Corrective Actions
Any of the motor parameters in
parameter group 5 may be
incorrect
Check the motor parameter.
The load is too large
Reduce the loading.
Check if Pr. H5-54, Pr. H5-55, and
Pr. H5-48 are properly set.
Check the parameter settings for oSL protection.