SANCH S3000 Series, User Manual

Page: 133 / 139

6-4
Code Displayed Error Explanations Treatments
AC drive’s detection circuit
fault
l
Return to the factory
When this function is set for
the external multi-function
input terminals (MI1~MI6),
the AC drive will stop the
output
l
After the signal source is
eliminated, “bb” disappeared
immediately
SC: loading with short
circuit
Output side of the AC drive
is short circuited
l
Check whether the motor’s
resistance and insulation are
functioning right
Braking transistor fault
l
Return to the factory
Braking transistor
over-heat
l
Check the fan and the ambient
temperature
l
Review the braking time and the
braking resistor’s rate of usage
Broken fuse
The transistor module of
the main circuit is broken
A fused DC circuit fuse
l
Check whether the fuse of the
transistor module is functioning
right
l
Check whether the loading side is
short circuited or grounded
The A/D1 changer within
the CPU is defected
l
Replace the controller or the
current sensor
The A/D2 changer within
the CPU is defected
l
Replace the controller or the
current sensor
PID motion error
l
Check the PID feedback wiring
l
Check whether the setting of the
parameter is appropriate
ACI with a broken cord
l
Check the wiring of ACI
Current message error
while the drive is stopped
l
Return to the factory