Unidrive M200-201 Quick Start Guide
55
Issue Number: 6
8.1 Alarm indications
In any mode, an alarm is an indication given on the display by alternating the alarm string with the
drive status string display. If an action is not taken to eliminate any alarm except "tuning and LS" the
drive may eventually trip. Alarms are not displayed when a parameter is being edited.
Table 8-2 Alarm indications
Alarm string
Description
br.res
Brake resistor overload.
Braking Resistor Thermal Accumulator
in the drive has
reached 75.0 % of the value at which the drive will trip.Refer to the
Drive User
Guide
OV.Ld
Motor Protection Accumulator
in the drive has reached 75.0 % of the value at
which the drive will trip and the load on the drive is >100 %, reduce motor current
(load). Refer to the
Drive User Guide
d.OV.Ld
Drive over temperature.
Percentage Of Drive Thermal Trip Level
in the drive is
greater than 90 %. Refer to the
Drive User Guide
tuning
The autotune procedure has been initialized and an autotune in progress.
LS
Limit switch active. Indicates that a limit switch is active and that is causing the
motor to be stopped.
Lo.AC
Low voltage mode. See
Low AC Alarm
in
Drive User Guide.
I.AC.Lt
Current limit active. See
Current Limit Active
in
Drive User Guide.
Unidrive M200 201 Quick Start Guide English Iss6.book Page 55 Thursday, September 10, 2015 1:48 PM