Fault Reset Methods - YASKAWA T1000A Technical Manual

6.9 Diagnosing and Resetting Faults
u Fault Reset Methods
When a fault occurs, the cause of the fault must be removed and the drive must be restarted. The table below lists the
different ways to restart the drive.
After the Fault Occurs
Fix the cause of the fault, restart the drive, and
reset the fault
Resetting via Fault Reset Digital Input S4
If the above methods do not reset the fault, turn off the drive main power supply. Reapply power after the digital
operator display is out.
Note: If the Run command is present, the drive will disregard any attempts to reset the fault. The Run command must first be removed
before a fault situation can be cleared.
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Procedure
With the fault displayed on the digital operator screen,
press on the digital operator.
Close then open the fault signal digital input via terminal S4.
S4 is set for "Fault Reset" as default (H1-04 = 14).
YASKAWA ELECTRIC SIEP C710616 30B YASKAWA AC Drive T1000A Technical Manual
ALM
DIGITAL OPERATOR JVOP-182
REV DRV FOUT
LO
ESC
RE
RESET ENTER
RUN STOP
Drive
Fault Reset Switch
S4 Fault Reset Digital Input
SC Digital Input Common
ON
2
OFF
1