Diagnosing And Resetting Faults; Diagnosing And Resetting Faults; Fault Occurs Simultaneously With Power Loss; If The Drive Still Has Power After A Fault Occurs - YASKAWA CIMR-JC4A0002BAA Quick Start Manual

5.7

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: 1 To find out what faults were triggered, Check U2-02 (Fault History) to determine the faults
. that have been triggered.
2 If the fault continues to be displayed after cycling power, remove the cause of the fault and
. reset.
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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
3.
Reset the fault.
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Viewing Fault History Data After Fault

1. Turn on the drive input power. The first screen displays.
2.
Press until the monitor screen is displayed.
3.
Press to display the parameter setting screen.
4.
Press and > until U2-02 (Fault History) is displayed.
5.
Press to view previous fault (here, EF3).
YASKAWA ELECTRIC TOEP C710606 26B YASKAWA AC Drive – J1000 Quick Start Guide
Refer to Fault Reset Methods on page
Step
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5.7 Diagnosing and Resetting Faults

148.
130.
Display/Result
STOP
147
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