Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 166)

The VS-626M5 PC NC Maintenance Manual
4-145
To return to operation mode using a regular external run com-
mand, change the lower 2 bits of C1-37 from “ ” to “ .”
(6) Fault Display Mode
If a protective function is activated because of a fault, the fault
code is displayed. Up to six faults are recorded, and may be
viewed to determine the order of a series of faults.
Notes on resetting faults
• To reset a fault by the digital operator after removing the cause,
depress the RESET key in the fault display mode. In other
modes, the RESET key cannot reset the fault.
• Before resetting, turn OFF the run command signals (FWD, REV,
ORT) that are input externally.
Time
Fault Reset
01 occurred
(Overcurrent)
31 occurred
(Motor Overspeed)
d2 occurred
(CPU built-in A/D error)
Display Example
EDisplays the first fault No.
EDisplays the second fault No.
EDisplays the third fault No.