SANCH S3000 Series, User Manual

Page: 131 / 139

6-2
Code Displayed Error Explanations Treatments
OL: AC drive overload
Output current exceeds the
AC drive-bearable current;
e.g. could sustain for 60
seconds if the output is
150% of the AC drive rated
current.
l
Decrease the loading and extend
the acceleration time
l
Check whether the motor is
overloaded
l
Decrease the (Pr. 07-02) torque
level-up setting
l
Increase the AC drive output
capacity
OL1: motor overload
Internal electronic thermal
relay protections
l
Decrease the loading
l
Check whether the motor is
overloaded
l
Check whether the rated current
value of the motor (Pr. 07-00) is
appropriate
l
Check the electronic thermal relay’s
function setup
l
Increase the motor capacity
OL2: motor overload
Motor with exceedingly
great loading
l
Check whether the loading of the
motor is too great
l
Check the setting of the
over-torque detection level
(Pr. 06-03 ~ 06-05)
External EF terminal
closed, and the AC drive
would stop the output
l
Eliminate the fault source and then
press the RESET button
Fault occurred within the
protection circuit of the
controller
l
Check every appliance that connects
to the AC drive
l
Return to the factory
Over-current during accel
l
Check whether the screw between
the AC drive and the motor is
tightened or not
l
Check whether the U-V-W output
connection cord is of poor insulation
l
Increase the decel time
l
Decrease the (Pr. 07-02) torque
level-up setting
l
Replace with the AC drive that
possesses greater output capacity