SANCH S3000 Series, User Manual

Page: 132 / 139

6-3
Code Displayed Error Explanations Treatments
Over-current during decel
l
Check whether the output wiring is of
poor insulation
l
Extend the decel time
l
Replace with the AC drive that
possesses greater output capacity
Over-current during
operation
l
Check whether the output wiring is of
poor insulation
l
Check whether the motor is blocked
during operation
l
Replace with the AC drive that
possesses greater output capacity
Grounding circuit
protections. This
message is displayed when
the AC drive detects that
the output terminal is
grounded and that the
grounding current exceeds
50% of the AC drive’s rated
current. Note: This is a
protection towards the AC
drive rather than the
personnel.
Check whether the connection to
the motor is short circuited or
grounded
l
Check whether the IGBT power
module is functioning right
l
Check whether the wiring on the
output side is of poor insulation
PG with a broken cord
l
Check the PG connection and
whether the motor is blocked
DC high-voltage side is
exceedingly low within the
AC drive
l
Check whether the input power
voltage is normal
l
Check whether the loading will be
put on another unexpected heavy
loading
l
Whether the 3-phase model is of
the single-phase power input or the
phase-lacking
IC data WRITE fault within
the interior memory
l
Return to the factory
IC data READ fault within
the interior memory
l
Press the RESET button to reset
the parameter to the factory setting
l
Return to the factory if the previous
method is not working
l