Diagnostics; Diagnostic Led; Fault/Warning - ABB OTAC-01 User Manual

16

Diagnostics

Diagnostic LED

There is one diagnostic LED on the OTAC-01 module. If the OTAC-01
is properly installed, the green LED lights when the drive is powered up.
If the LED does not light after power-up:
Step down this column.
If an item is TRUE, look to
the RIGHT for suggestions.
The configuration may have
failed.
The module connection may
be damaged
The module may have failed. Replace the module.

Fault/Warning

If the ACS550 detects that the encoder signal is lost, the drive
operation and the diagnostic message are both controlled by parameter
5003
• 5003 = 1 (
and the motor coasts to a stop.
• 5003 = 2 (
ERROR
(
DISABLE
model.
Diagnostics
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
:
ENCODER FAULT
) – The drive generates a fault (23
FAULT
) – The drive generates an alarm (2024
WARNING
) and operates as is if parameter 5002
), that is, speed feedback is derived from the internal motor
Corrective Action
Cycle the power supply of the drive.
Warning! Dangerous voltages are present
on the connector. Power down before
attempting to repair connector pins.
• Power down.
• Remove the module and check the condition of
the pins in the 6-pin connector.
• Reconnect and retest.
),
ENCODER ERR
ENCODER
= 0
ENCODER ENABLE