8-14
8-3 Troubleshooting
Troubleshooting
8
Error Diagnosis Using the Displayed Warning Codes
Warning
Code
Error
Cause
Countermeasure
148
(94h)
Data setting warning
Command argument setting is out of
the range.
Parameter write failure.
Command settings are wrong, and
others.
Check the setting range.
Check the control power supply
voltage.
Check the command settings.
149
(95h)
Command warning
Command output conditions are not
satisfied.
Received unsupported command.
Subcommand output conditions are
not satisfied.
Operation command in the drive
prohibited direction was issued after
being stopped by a POT/NOT input.
Send the command after the
command output conditions are
satisfied.
Do not send unsupported
commands.
Follow the subcommand output
conditions and send.
Check the status of POT/NOT input
and operation command.
150
(96h)
ML-II communications
warning
One or more MECHATROLINK-II
communications error occurred.
Refer to the countermeasures for
Communications error on page 8-12
(alarm code 83).
144
(90h)
Overload warning
85% of the overload alarm trigger
level has been exceeded.
Refer to Overload on page 8-8.
145
(91h)
Regeneration
overload
85% of the regeneration overload
alarm trigger level has been
exceeded.
Refer to Regeneration overload on
page 8-9.
146
(92h)
Battery warning
Voltage of absolute encoder battery
has dropped below 3.2 V.
Replace the absolute encoder battery
while the control power supply is being
input.
147
(93h)
Fan lock warning
The built-in cooling fan stopped, or
rotated abnormally.
Models with a built-in fan
R88D- GN10H-ML2/ GN20H-ML2/
GN30H-ML2/-GN40H-ML2/-GN50H-
ML2/-GN75H-ML2
If the warning continues to occur,
the fan may have failed.
If so, the internal temperature of the
Servo Drive will rise, causing a failure.
Replace the fan.