Unidrive M200-201 Quick Start Guide
57
Issue Number: 7
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”, the drive
may eventually trip. Alarms are not displayed when a parameter is being edited.
Table 8-2 Alarm indications
9
NV Media Card Operation
Figure 9-1 Installing the AI-Backup adaptor (SD Card)
1. Identify the two plastic fingers on the underside of the AI-Backup Adaptor (1) - then insert the two
fingers into the corresponding slots in the spring-loaded sliding cover on the top of the drive.
2. Hold the adaptor firmly and push the spring loaded protective cover towards the back of the drive
to expose the connector block (2) below.
Press the adaptor downwards (3) until the adaptor connector locates into the drive connection below.
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
Power
Installation 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
Parameter Reference Guide
d.OV.Ld
Drive over temperature.
Percentage Of Drive Thermal Trip Level
in the drive is
greater than 90 %. Refer to the
Parameter Reference 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 the
Control User Guide
I.AC.Lt
Current limit active. See
Current Limit Active
in the
Control User Guide
24.LoSt
24V backup not present. See
24V Alarm Loss Enable
in the
Control User Guide
1
2
3
