VFD68 Variable Frequency Drives (230 or 460 VAC)
35
2.
Press
to start the VFD68 output to the motor.
3.
Turn
to change motor speeds. Run the motor at high speed, maximum frequency.
4.
Verify that the motor FLA (Full Load Amps) is correct using one of the following methods:
•
Use a clamp-on amp meter
•
Press
repeatedly until
MON
LED is on; press
until the LED display shows
A
for amperes
instead of
Hz
for frequency.
5.
Press
to stop the output to the motor.
Configuring EXT Mode Using Analog Inputs
Verify that the VFD68 is in PU mode with no jumper between SD and STF (Figure 23 on page 34).
1.
Verify that the jumper above terminal
SC
(Figure 23) is set to
SINK
.
2.
Verify that the AI2 mode switch to the left of terminal
A
(Figure 23) is set to
V
for applications with 0–5 V or
0–10 V voltage input or set to
I
for applications with 4–20 mA current input.
3.
Exit the PU (manual operation) mode by pressing
until the
EXT
LED is highlighted, then use a jumper
to connect SD to STF.
The VFD68 is now commissioned, is in the external operation mode, and is ready to run the motor using the
analog inputs.
Troubleshooting
When an improper operating condition occurs in the VFD, the operation panel display changes to one of the
status indications shown in Table 21. If the fault does not correspond to any of the faults in Table 21 (or if you
have any other problem), refer to the
VFD68 Variable Frequency Drive Technical Bulletin
(Part No. 24-7664-3051)
.
Table 20 defines the indication categories. Table 21 provides descriptions of the individual indicator messages.
When a fault occurs, take the appropriate corrective action, then reset the VFD and resume operation. See
on page 38. Failure to take corrective action and reset the VFD may lead to a
repeat of the fault condition and damage the VFD. For further information on troubleshooting, refer to the
VFD68 Variable Frequency Drive Technical Bulletin (Part No. 24-7664-3051).
Table 20: Indication Categories on the Operation Panel Display
Indication
Category
Description
Error message
A message regarding operational or setting errors displays. The VFD continues operating.
Warning
The VFD continues operating. Failure to take appropriate measures will lead to a fault.
Alarm
The VFD continues operating. You can also output an alarm signal by adjusting a parameter
setting.
Fault
When a fault occurs, the VFD output reduces to 0 Hz, the motor stops, and the VFD outputs a
fault signal.
RUN
MODE
SET
STOP
RESET
STOP
RESET
PU
EXT
