omron — Fault Reset Methods

6.7 Diagnosing and Resetting Faults 6.7 Diagnosing and Resetting Faults When a fault occurs and the drive stops, follow the instructions below to remove whatever conditions triggered the fault, then restart the drive. u Fault Occurs Simultaneously with Power Loss WARNING! Electrical Shock Hazard. Ensure there are no short circuits between the main circuit terminals (R/L1, S/L2, and T/L3) or between the ground and main circuit terminals before restarting the drive. Failure to comply may result in serious injury or death and will cause damage to equipment. 1. Turn on the drive input power. 2. Remove the cause of the fault and reset. Note:

To find out what faults were triggered, check U2-02 (Fault History). Note: When the fault continues to be displayed after cycling power, remove the cause of the fault and reset. u If the Drive Still has Power After a Fault Occurs 1. Look at the LED operator for information on the fault that occurred. 2. Refer to Fault Displays, Causes and Possible Solutions on page 123 3. Reset the fault. Refer to Fault Reset Methods on page 133 . u Viewing Fault History Data After Fault u Fault Reset Methods Troubleshooting 6 SIEP C710606 33A OYMC AC Drive – J1000 User Manual 133 Step Display/Result 1. Turn on the drive input power. The first screen displays. STOP 2.

Press until the monitor screen is displayed. 3. 4. Press to display the parameter setting screen. Press and > until U2-02 (Fault History) is displayed. 5. Press to view previous fault (here, oC). After the Fault Occurs Procedure Fix the cause of the fault, restart the drive, and reset the fault Press on the digital operator. STOP Resetting via Fault Reset Digital Input S4 Close then open the fault signal digital input via terminal S4. S4 is set fault reset as default (H1-04 = 12) Drive Fault Reset Switch S4 Fault Reset Digital Input SC Digital Input Common If the above methods do not reset the fault, turn off the drive main power supply. Reapply power after LED operator display is out.

2 ON 1 OFF