MN715P
Troubleshooting 5-2
Fault Code 1
−
Non Resettable hardware fault (Power LED is blinking).
May indicate a HW Surge Current, HW Protect or a Power Module fault is
detected.
Power
LED
Fault
LED
Action
Blinking
1 Blink
a. Check wiring to ensure a ground fault is not present.
b. Make sure the load is not excessive.
Fault Code 2
−
2 or 60 second Overload or a % Overload Timer fault.
2 or 60 Second Overload
May indicate an overcurrent condition but the
control has not tripped, the FWD or REV LED is blinking.
FWD or
REV LED
Fault
LED
Action
Blinking
2 Blinks
Press Stop to reset the control. If error remains, try these steps to correct
the fault. (You may have to wait for the % Overload timer to expire if the
STOP LED is blinking).
a. Verify proper sizing of control and motor.
b. If error occurred while ramping motor, check motor, coupling and load.
c. Increase ACCEL time (P1).
d. Increase/Decrease Torque Boost value (P6).
% Overload Timer
Indicates that fault code 2 has occurred to many times
and the control needs to cool down. The STOP LED blinks, a timer begins
and all drive operations are suspended until 100% Overload capacity is
regained.
STOP
LED
Fault
LED
Action
Blinking
2 Blinks
During this error, the drive is not resettable. When the drive reaches 100%
Overload left, the fault LED will continue to blink, however, the STOP LED will
remain continuously ON.