SANCH S3000 Series, User Manual

Page: 134 / 139

6-5
Code Displayed Error Explanations Treatments
R1 setting error
l
Re-do the setting or execute the
Tuning function
Fan fault
l
Check whether the fan is blocked
l
Return to the factory
Power input phase-lacking
Phase-lacking within the
input power of the AC drive
Three imbalanced
conditions existed within
the input voltage
l
Check whether the power voltage
is normal
l
Check whether the screw at the
input power terminal is tightened
Other faults
l
Reserved
The motor parameter
-Tuning- failed
l
Re-check the wiring and reset the
parameter
Communication error
l
Check whether the communication
signal is counter-connected (RJ11)
l
Check whether the communication
form is correct
Upper and lower legs of
PWM are of the same LOW
level
l
Return to the factory
KEYPAD communication
overtime
l
Check whether the communication
circuit is well-conducted
RS485 communication
overtime
l
Check whether the communication
circuit is well-conducted