Inovance MD300 - Acceleration over Current (ERR02)

MD320/MD320N User Manual Fault Diagnosis and Solution
161
Acce le ration ove r curre nt
V/F Mo d e
Che ck if the output loop of the
inve rte r is e a rthe d or s hort circuited
Perform troubleshooting
If the motor parameters are identified
Ide ntify the motor pa ra me te rs
If the acceleration time is too short
Prolong the acceleration time
If the manual boost torque
or V/F curve is prope r
Adjust the manual boost
torque or V/F curve
If the volta ge is too low
Adjus t the voltage to norma l range
If the rota ting motor is s tarte d
Select start upon rotational
ve locity follow-up or s tart
upon motor shutdown
If load is added suddenly
during the acceleration
Re move the a dditiona l loa d
The inve rte r mode l
is rather small
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Fig.8-2 Acceleration over current (ERR02)