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LED Status Ring

The LED Status Ring on the drive cover shows the drive operating status.

  • ALM/ERR
  • Ready
  • RUN
 

LED

Status

Description

A

ALM/ERR

Illuminated

The drive detects a fault.

Flashing 1

The drive detects:

  • An alarm

  • An oPE parameter setting error

  • An Auto-Tuning error

Note:

The LED will illuminate to identify a fault if the drive detects a fault and an alarm at the same time.

OFF

There are no drive faults or alarms.

B

Ready

Illuminated

The drive is operating or is prepared for operation.

Flashing 1

The drive is in STo [Safe Torque OFF] condition.

Flashing Quickly 1

The voltage of the main circuit power supply dropped, and only the external 24 V power supply provides the power to the drive.

OFF

  • The drive detects a fault.

  • There is no fault and the drive received a Run command, but the drive cannot operate. For example, in Programming Mode or when [RUN LED] is flashing.

C

RUN

Illuminated

The drive is in regular operation.

Flashing 1

  • The drive is decelerating to stop.

  • The drive received a Run command with a frequency reference of 0 Hz, but the drive is not set for zero speed control.

  • The drive received a DC Injection Braking command.

Flashing Quickly 1

  • The drive received a Run command from the MFDI terminals and is switching to REMOTE Mode while the drive is in LOCAL Mode.

  • The drive received a Run command from the MFDI terminals when the drive is not in Drive Mode.

  • The drive received a Fast Stop command.

  • The safety function shuts off the drive output.

  • The user pushed [STOP key] on the keypad while the drive is operating in REMOTE Mode.

  • The drive is energized with an active Run command and b1-17 = 0 [Run Command at Power Up = Disregard Existing RUN Command].

  • The drive is set to coast-to-stop with timer (b1-03 = 3 [Stopping Method Selection = Coast to Stop with Timer]), and the Run command is disabled then enabled during the Run wait time.

OFF

The motor is stopped.

 
Figure 1. LED Flashing Statuses
Figure 2. Relation between RUN LED and Drive Operation
1

Refer to Figure 1 for the difference between “flashing” and “flashing quickly”.