ACS 600 Fault Codes 2
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ABB ACS 600 is equipped with advanced protection features that protect the unit against damage and operational interruptions caused by incorrect operating conditions and electrical and mechanical failures. This section describes the fault monitoring procedure with the Control Panel for the ACS 600.
Fault Monitoring with Control Panel
The Control Panel displays Warning and Fault messages for each condition, including cause and suggested solution.
Most Warning and Fault conditions can be identified and resolved with the information provided. If the problem persists, it is recommended to contact an ABB service representative.
Attention! Avoid any measurements, part changes, or other service procedures not described in this manual. Such actions could void the warranty, jeopardize proper operation, and increase operational interruptions and expenses.
Management of Warning Messages
Warning messages disappear when any button on the Control Panel is pressed, but reappear after a minute if conditions remain unchanged.
When the frequency converter is operated with the Control Panel removed, the red LED on the Control Panel mounting platform indicates a Fault condition.
Programmable Warning and Fault Messages
For settings of programmable warning and fault messages and functions, refer to the Parameters section of the manual.
Fault Reset
An active fault can be reset by pressing the RESET button on the keypad, through a digital input or field communication, or by temporarily turning off the supply voltage.
After the fault is cleared, the motor can be restarted.
Warning! If an external start command is selected and active, the ACS 600 (with Standard Application Program) will start immediately after fault reset. (If the fault is not cleared, the ACS 600 will fault again.)
Fault History
When a Fault is detected, it is stored in the Fault History. Recent Faults and Warnings are stored along with the time of detection.
After fault reset, the drive will start if the start signal is active. Before resetting, turn off the external start signal or ensure it is safe to start.
Fault History can be viewed in Real Signal Representation Mode or by pressing the RESET button. Navigate through Fault History using the and keys. Exit Fault History by pressing the or keys. Fault History can be cleared by pressing the RESET button.
ENVIRONMENTAL TEMPERATURE
The temperature of the I/O Control card has dropped below -5...0°C or exceeded +73...82°C. Check air flow and fan operation.
USER MACRO
No User Macro is recorded or the file is corrupted. Recreate the User Macro.
MOTOR JAM
The motor is operating in the jamming area. This could be due to overload or insufficient motor power. Check the motor load and ACS 600 ratings. Check MOTOR JAM Error Function parameters.
MOTOR DATA MISSING
Motor data is not provided or motor data does not match inverter data. Check the motor data provided via Parameters 99.04...99.09.
UNDERLOAD
The motor load is too low. This could be due to a release mechanism in the driven equipment. Check for a problem in the driven equipment. Check UNDERLOAD Error Function parameters.
ID RUN FAILED
Motor ID Run was not completed successfully. Check the maximum speed (Parameter 20.02). This should be at least 80% of the motor's nominal speed (Parameter 99.08).
MOTOR PHASE
One of the motor phases is missing. This could be due to the motor, motor cable, thermal relay (if used), or an internal fault. Check the motor and motor cable. Check the thermal relay (if used). Check MOTOR PHASE Error Function parameters. Disable this protection.
COMMUNICATION MODULE
The cyclic communication between the ACS 600 and the field communication/ACS 600 Master is interrupted. Check the status of field communication. Check cable connections. Make sure the bus master is not communicating or is misconfigured.
LINE CONVERTER
Fault in the line-side converter. Slide the panel from the motor-side converter control card to the line-side converter control card. Refer to the error description in the line-side converter manual.
SHORT CIRCUIT (SC)
Short circuit in an inverter unit consisting of several parallel inverter modules. The number indicates the faulty inverter module number. Check the motor and motor cable. Check the power semiconductors (IGBT power plates) of the inverter module.
CURRENT MEASUREMENT
Failure of the current transformer in the output current measurement circuit. Check the Main Circuit Interface Card, current transformers connected to NINT.
ENCODER ERROR
Communication error between the pulse encoder and the NTAC module or between the NTAC module and the ACS 600. Check the pulse encoder and its wiring, the NTAC module, Parameter Group 50 settings, and fiber optic connections on NAMC channel CH1.
ENCODER A<>B
Incorrect pulse encoder phase imbalance: Phase A is connected to phase B's terminal and vice versa. Swap the connections of pulse encoder phases A and B and B. Check the encoder wiring and ensure correct phase connections.
MOTOR 1 TEMPERATURE
The measured motor temperature has exceeded the fault limit set by Parameter 35.03 MOT 1 TEMP FLT L. Check if the fault limit value is appropriate. Allow the motor to cool down. Ensure proper motor cooling: check the cooling fan, clean cooling surfaces, etc.
MOTOR 2 TEMPERATURE
The measured motor temperature has exceeded the fault limit set by Parameter 35.06 MOT 2 TEMP FLT L. Check if the fault limit value is appropriate. Allow the motor to cool down. Ensure proper motor cooling: check the cooling fan, clean cooling surfaces, etc.
THERMAL MODE
The motor thermal protection mode is set to DTC for a high-power motor. Refer to Parameter 30.05 MOT THERM P MODE.
BRAKE RECOGNITION
Unexpected condition of the brake recognition signal. Refer to Group 42 Brake Control. Check the connection of the brake recognition signal.
IO CONFIGURATION
An input or output selected as a signal interface in an application program has not been set for communication with the appropriate I/O expansion module. Check the error function description (Parameter 30.22 IO CONF FUNC) and Group 98 Option Modules. Correct the settings if necessary.
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