5-18
5.3.3 Troubleshooting for OV, LV error display
The inverter displays OV, LV
The inverter’s output is OK
Is the current on all phase
s
even?
Any abnormal value?
Is there Voltage at T1,T2,T3
output terminals?
Is the output frequency of the
operating unit displayed?
Is FWD LED still illuminated after flash
Is the main circuit fuse intact?
Any visual abnormalities?
Any abnormal indications?
Is the inverter operation OK
after board replacement?
Replace the control
board
Perform detailed check and
consult with the supplier
YES
NO
YES
YES
YES
NO
NO
YES
NO
YES
YES
NO
NO
NO
YES
YES
NO
NO
Connect the motor to run
Input frequency commands
Input operation command
Apply power
Consult with the supplier
Consult with the supplier
Consult with the supplier
Consult with the supplier
Replace the control board
Summary of Contents for E510-201-SH
Page 1: ......
Page 28: ...3 14 b 200V 2HP 1 3PH 200V 3HP 20HP 400V 3HP 25HP IP20 NEMA1 ...
Page 29: ...3 15 c 200V 25HP 400V 30HP d 200V 30HP 40HP 400V 40HP 75HP ...
Page 51: ...3 37 3 5 Standard Wiring 10V AI1 AI2 AGND E P P ...
Page 72: ...4 6 4 1 4 Example of keypad operation Example 1 Modifying parameters ...
Page 74: ...4 8 4 1 5 Operation control ...
Page 206: ...4 140 Acceleration Deceleration calculation of mode 2 ...
Page 316: ...4 250 6 Timer mode 6 FLASH Timer mode 2 7 Timer mode 7 FLASH Timer mode 3 ...
Page 424: ...REVISIONS Date Manual Number Revision May 2017 4KA72X645T01 First edition ...
Page 425: ......