YASKAWA Varispeed-606PC3 User Manual

1 .
VS-606PC3
INVERTER
MAIN UNIT
(Gontd)
'
Table 1 .8
Fault Display and Contents

/ 0-
cc t_ Fault Display
Digital
Inverter
LED Display*
Contents
Possible Cause/
Operator
pS1 (GR)
DS2 (RD)
Corrective Actions
The following causes can be
considered : inverter
output side
short-circuit, excessive load
Inverter
output current inertia ( J ), excessively short
`" -' - exceeds
200%
of
rated
setting of accel/decel time,
(Over-
; ~ ;
current .
[constant (No . 09 to 12)] special
current)
(Momentary action)
motor use, motor start during
coasting, start of motor with
C1 L
larger capacity than inverter,
inverter
output side magnetic
contactor ON/OFF .
Reset after finding the cause .
GF (Ground
Fault)
-0-
Inverter output side
is Check that the motor or load
grounded . side wring is not grounded
.
OV
I
Main circuit DC voltage
Main
exceeds 410 V or mcxe
for 230 V class, 820 V
Decel time setting is not
Circuit
. _'r,'_
or more for 460 V class
sufficient . [constant (No
. 10,
Over- because of excessive
12)] or minus load (cranes, etc .)
voltage)
n
is decreasing .
Increase decel
from motor e (Exceeds
time
or connect a braking
Uu
overvoltage protection
resistor (option) .
level .)
Undervoltage occurred Input power supply voltage
is
UV
is entered . [Main circuit reduced, phases are opened
(Main
DC
voltage becomes or momentary power loss
Circuit
approx 210V or less occurs, etc Check the power
Under-
O~
(230 V class
3 -phase'), supply voltage, or check that
voltage)
170 V or less 1240
V
main circuit
power supply
class single-phase) or wring is connected
properly
420V
or less (460 V or terminal screws are
class 3-phase)) . tightened well .
Load is too
large, V/f
OH
Temperature rise caused
characteristics are not proper,
setting time is
too short or
by inverter overload
intake
(Cooling Fm
C operation, or intake air
load
Overheat)
temperature
rise .
size, V/f set
value [constant
Cooling fan r/mln is
(No 02 to 08)) or intake air
decreased
temperature Check the cooling
fan

YASKAWA Varispeed-606PC3 Specifications

General

Brand	YASKAWA
Model	Varispeed-606PC3
Category	Inverter
Language	English