![CARLO GAVAZZI VariFlex3 RVFFA3400400F Скачать руководство пользователя страница 89](http://html1.mh-extra.com/html/carlo-gavazzi/variflex3-rvffa3400400f/variflex3-rvffa3400400f_quick-start-manual_2558654089.webp)
Motor Controllers AC Variable Frequency Drives
Type Variflex
3
RVFF
Specifications are subjected to change without notice.
88
5.7.3 Troubleshooting for OV, LV error
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
Содержание VariFlex3 RVFFA3400400F
Страница 1: ...Quick Start Guide Motor Controllers AC Variable Frequency Drives Type VariFlex3 RVFF...
Страница 99: ......