Yaskawa Z1000U - Manual (Page 219)

Step Display/Result
5.
Press to view drive status information when fault occurred.
Parameter U2-58 helps determine the cause of a fault.
Parameters to be monitored differ depending on the control mode.
- MONITR -
U2- 03 = 60.00Hz
U2-04= 60.00Hz
U2-05= XX.XXA
DRV
Frequency Ref
Rdy
RSEQ
RREF
- MONITR -
U2-01= -----
U2-02= oC
DRV Rdy
RSEQ
RREF
U2- 58 = 60.00Hz
PowerSupply Freq
FWD JOG
FWD JOG
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 when the error code
is displayed. 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.
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.
5.9 Diagnosing and Resetting Faults
YASKAWA ELECTRIC TOEP C710636 10B Z1000U HVAC MATRIX Drive User Manual 219
5
Troubleshooting