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POSSIBLE CAUSES OF THE FAULT
1.
MOTOR IS NOT BEING OPERATED IN THE MOTORS OPERATING
ZONE
2.
MOTOR IS NOT BEING STABLE.
3.
CABLE IS NOT PLUGGED IN.
4.
BROKEN WIRES IN THE CABLE OR MOTOR.
5.
DEFECTIVE THERMAL SWITCH ON THE MOTOR.
(6)
Bus Fuse or Shunt Fuse Fault or low AC voltage.
If either the shunt fuse, BUS fuse or BUS circuit breaker are open, the drive will
display a “6”. A “6” fault can also be caused by a low AC line voltage on the
single phase drives.
POSSIBLE CAUSES OF THE FAULT
1.
EXCESSIVE INERTIAL LOAD HAS CAUSED THE DRIVE TO
EXCEED ITS CONTINUOUS RATING.
2.
THE LOAD IS BACK-DRIVING THE MOTOR.
3.
LOW AC LINE VOLTAGE (IF BOTH FUSES ARE STILL GOOD)
AND THE DRIVE IS A 120 VAC SINGLE PHASE MODEL.
(7)
Amplifier Bridge Temperature Fault
The drive has a thermal switch mounted on its heat sink. If the heat sink
temperature becomes excessive, the thermal switch will open. The drive will shut
down and display a “7” fault on the diagnostic display.
POSSIBLE CAUSES OF THE FAULT
1.
THE AMBIENT TEMPERATURE INSIDE THE ENCLOSURE IS TOO
HIGH.
2.
THE DRIVE AND MOTOR ARE TOO SMALL FOR THE LOAD.
3.
FAN OR VENTILATION FAILURE.
(8)
NON-OPERATIONAL
(8.)
The drives does not have a way to produce an (8.) error code. During power up
for the first second power is applied an “8.” Appears on the display. This means
the 16 bit microcontroller is not operational.
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