60
Section 4.2: Problem Flowcharts
Fig. 4.2.1: Motor Does not Run
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
No
Is the display on?
Inverter trouble. Check keypad
or power components See Section
4.3 for Testing Power Components.
Contact factory for assistance.
Is there input power?
•
Check input fuses.
•
Check circuit breakers.
•
Is the mainline contactor energized?
Is RST or BX
terminal disabled?
Is Run/stop set [SER: Code No. 01]
set to Pendant?
Is Freq. set [ADV: Code No. 02]
set to Key?
Is F-limit high [ADV: Code No. 18]
greater than 1
st
speed
Voltage output
from U, V, W?
Check output
wiring and
motor.
Call Factory
Adjust max.
frequency
Check F and R terminal inputs. See Pushbutton
Pendant Test in Section 4.4.
Check RST and
BX terminal inputs.
Is there analog signal between
V1-5G or I-5G inputs?
Is F-limit high [ADV: Code No. 18]
greater than Freq. start [SER: Code
No. 17]?
Analog signal
source trouble.
Set F-limit high
greater than
Freq. start
For more information contact: Sievert Crane and Hoist, (708) 771-1600, [email protected], www.sievertcrane.com