7.6.3 Overvoltage
Overvoltage fault
Whether the voltage of the
power supply is within the
standard range?
Whether the ACC/DEC
time is too short?
Whether the loaded motor
is drived reversely?
Ensure the power supply
meets the requirement
Whether UVW on the output
side of the VFD is short to
ground?
Whether the wiring on the
output side of the VFD is
performed properly?
Rectify the short-circuit
fault and perform the
wiring properly
Prolong the ACC/DEC
time
Check the load and adjust
If it is a VFD fault, contact
our company
Whether the ACC/DEC
time can be prolonged?
Whether to use a
brake accessory?
Add brake accessories
Adjust the brake
accessories and
resistance
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
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