Smart trac, Faults.doc – Yaskawa SmartTrac Fault Tables User Manual
Page 40

10/17/00
New Berlin
Technology Center
Smart Trac
Product
Development
Design
Document
Faults.doc
Rev. # 19
Page 39 of 64
Title: Fault Declarations
The information contained in this document is the
CONFIDENTIAL
property of
MagneTek Inc.
File = N:\PROJECT\515\SmartTrac\DOCS\Faults.DOC
Print Date: 10/17/00
39
Displayed Fault
No.
Priority
D
is
p
lay?
Newest
List
?
Ol
d
es
t
List
?
Severity
Assig
n
Program
Input
Corrective Action
Control
Node
Monitor
Fault
Manager
In
ternal Fault
No
.
Fault Legend
Description
17533
95539
30003
MC Answerback
UV3 – Main contactor fault. Main
circuit magnetic contactor (soft
charge contactor) does not operate
correctly.
Yes
Yes
Yes
Minor
Major
Check contactor wiring. Inspect
contactor for damage and defects.
Note: fault is declared only if drive is
in Run mode.
17534
95540
30004
Short Circuit
SC – Short circuit on Smart Trac
AC1 inverter PCB output terminals
(motor wiring).
Yes
Yes
Yes
Minor
Major
Check for correct motor
wiring/capacity. Note: fault is
declared only if drive is in Run
mode.
17535
95541
30005
Ground Fault
GF – Ground fault. Drive output
ground current exceeded 50% of
drive rated current.
Yes
Yes
Yes
Minor
Major
Check for correct motor
wiring/capacity. Look for shorts
between motor leads and ground.
Inverter power transistor(s) may be
damaged. Note: fault is declared only
if drive is in Run mode.
17536
95542
30006
Overcurrent
OC – Overcurrent. Output current
exceeded 200% of drive rated
current.
Yes
Yes
Yes
Minor
Major
Acceleration time may be set too
low. Motor load may be too great for
drive to handle. Motor may be
jammed or defective. Note: fault is
declared only if drive is in Run
mode.