Yaskawa AC Drive Z1000 HVAC - Manual (Page 39)

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 Procedure
Fix the cause of the fault, restart the drive, and
reset the fault Press on the HOA keypad.
F2 F1
ESC M M
AUTO OFF
ENTER RESET
-DRIVE-
U1- 01=60.00Hz ----------------
U1- 02=60.00Hz
JOG FWD FWD/REV
-Rdy-
ALM DIGITAL OPERATOR JVOP-183
HAND
Freq Ref (OPR)
Resetting via Fault Reset Digital Input S4
Close then open the fault signal digital input via
terminal S4. S4 is set for “Fault Reset” as default
(H1-04 = 14).
Fault Reset Switch
Drive
S4 Fault Reset Digital Input
SC Digital Input Common
Turn off the main power supply if the above methods do not reset the fault. Reapply power after the
HOA keypad display has turned off.
When an “SC” error occurs, contact Yaskawa or a Yaskawa agent before cycling the power to the drive.
ON
OFF
2
1
Note: If the Run command is present, the drive will disregard any attempts to reset the fault. Remove the Run command before attempting to clear
a fault situation.
i.4 Troubleshooting
YASKAWA ELECTRIC TOEP YAIZ1U 01A YASKAWA AC Drive – Z1000 Safety Precautions 39