Smart trac, Faults.doc – Yaskawa SmartTrac Fault Tables User Manual
Page 41

10/17/00
New Berlin
Technology Center
Smart Trac
Product
Development
Design
Document
Faults.doc
Rev. # 19
Page 40 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
40
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
17537
95543
30007
DC Bus Overvolt
OV – Overvoltage. Detection levels:
400VDC for 230V rated unit;
800VDC for 460V rated unit;
1050VDC for 600V rated unit.
Yes
Yes
Yes
Minor
Major
Check input AC supply. Possibility
of erroneous operation due to noise:
remove noise source by connecting
surge suppressor to relay and
magnetic contactor coils; provide line
filter to remove noise on input power
line. If OV trip occurs during
deceleration, increase deceleration
time; may need dynamic braking
option. Note: fault is declared only if
drive is in Run mode.
17538
95544
30008
Heatsnk Overtemp
OH – Cooling fin overheat.
Heatsink fin temperature exceeded
preset value found in inverter
parameter L8-02.
Yes
Yes
Yes
Minor
Minor
Major fault declared only if inverter
parameter L8-03
≠
3. Reduce
ambient temperature to less than
45˚C (113˚ F). Clean heat sink.
Replace cooling fan if necessary.
17539
95545
30009
Heatsnk MAX
Temp
OH1 – Drive overheat. Heatsink fin
temperature exceeded 105˚ C (221˚
F).
Yes
Yes
Yes
Minor
Major
Reduce ambient temperature to less
than 45˚C (113˚ F). Clean heat sink.
Replace cooling fan if necessary.