4. Parameters
4-70
4.5.2 Servo Warning Status Summary Display List
If a warning code is displayed as the current operation status [St-00], the servo drive is
operating abnormally. Check what needs to be inspected for the issue.
Warning
State
(CODE)
Name Cause What to inspect
RST_PFAIL Main power phase loss
If the [P0-06] DIGIT 2 is set to 1, the
main power fails.
LOW_BATT Battery low
When apply absolute value encoder,
Output voltage of BackUp batter need
to replace.
OV_TCMD Excessive torque command
More than the maximum torque
commands have been entered.
OV_VCMD Overspeed command
More than the maximum speed
commands have been entered.
OV_LOAD Overload warning
The maximum overload [P0-13] has
been reached.
SETUP Capacity setting
The electric current capacity of the
motor is bigger than that of the drive.
UD_VTG Low voltage warning
When [P0-06] DIGIT 2 is set to 1, the
DC link voltage is 190 V or below.
EMG EMG contact point
Check the I/O wiring and [P2-09]
setting
- Warning code is indicated in hexadecimal. If the over 2 warning codes occurs, the sum of
warning codes will be displayed. For example, if [W-04] Excessive Toque Command and [W-
08] Excessive Speed Command are occurred at the same time, [W-0C] will be displayed.
- If warning code 80 occurs, “SV-ON” state changes to “SV-OFF” state automatically.
-To avoid warning code 80, wire EMG contact or change EMG input signal logic definition.
(Refer to 4.1 How to Use the Loader)
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