ABB ACH550 Drive

Fault Code and MeaningCause and Remedy
F0001
OVERCURRENT

Cause: Output current is excessive.



Remedy:

  • Check for excessive motor load.

  • Check for insufficient acceleration time (parameters 2202 ACCELER TIME 1 and 2205 ACCELER TIME 2).

  • Check for faulty motor, motor cables or connections.


F0002
DC OVERVOLT

Cause: Intermediate circuit DC voltage is excessive.



Remedy:

  • Check for static or transient overvoltages in the input power supply.

  • Check for insufficient deceleration time (parameters 2203 DECELER TIME 1 and 2206 DECELER TIME 2).

  • Check for undersized brake chopper (if present).


F0003
DEV OVERTEMP

Cause: Drive heatsink is overheated. Temperature is at or above limit (R1…R4: 115 °C, R5/R6: 125 °C).



Remedy:

  • Check for fan failure.

  • Check for obstructions in the air flow.

  • Check for dirt or dust coating on the heat sink.

  • Check for excessive ambient temperature.

  • Check for excessive motor load.


F0004
SHORT CIRC

Cause: Fault current detected.



Remedy:

  • Check for a short-circuit in the motor cable(s) or motor.

  • Check for supply disturbances.


F0005
RESERVED

Cause: Not used.



Remedy:

  • No action required.


F0006
DC UNDERVOLT

Cause: Intermediate circuit DC voltage is not sufficient.



Remedy:

  • Check for missing phase in the input power supply.

  • Check for blown fuse.

  • Check for undervoltage in mains.


F0007
AI1 LOSS

Cause: Analogue input 1 loss. Analogue input value is less than AI1 FAULT LIMIT (3021).



Remedy:

  • Check source and connection for analogue input.

  • Check parameter settings for AI1 FAULT LIMIT (3021) and 3001 AI

F0008
AI2 LOSS

Cause: Analogue input 2 loss. Analogue input value is less than AI2 FAULT LIMIT (3022).



Remedy:

  • Check source and connection for analogue input.

  • Check parameter settings for AI2 FAULT LIMIT (3022) and 3001 AI

F0009
MOT OVERTEMP

Cause: Motor is too hot, as estimated by the drive.



Remedy:

  • Check for overloaded motor.

  • Adjust the parameters used for the estimate (3005…3009).

  • Check the temperature sensors and Group 35: MOTOR TEMP MEAS parameters.


F0010
PANEL LOSS

Cause: Panel communication is lost and the drive is in local control mode (HAND) or remote mode (AUTO) parameterized to accept commands from the panel.



Remedy:

  • Check communication lines and connections.

  • Check parameter 3002 PANEL COMM ERR.

  • Check parameters in Group 10: START/STOP/DIR and Group 11: REFERENCE SELECT (if drive operation is AUTO).


F0011
ID RUN FAIL

Cause: The motor ID run was not completed successfully.



Remedy:

  • Check motor connections.


F0012
MOTOR STALL

Cause: Motor or process stall. Motor is operating in the stall region.



Remedy:

  • Check for excessive load.

  • Check for insufficient motor power.

  • Check parameters 3010…3012.


F0013
RESERVED

Cause: Not used.



Remedy:

  • No action required.


F0014
EXT FAULT 1

Cause: Digital input defined to report the first external fault is active.



Remedy:

  • See parameter 3003 EXTERNAL FAULT 1.

  • Check external devices connected to the digital input.


F0015
EXT FAULT 2

Cause: Digital input defined to report the second external fault is active.



Remedy:

  • See parameter 3004 EXTERNAL FAULT 2.

  • Check external devices connected to the digital input.


F0016
EARTH FAULT

Cause: The load on the input power system is out of balance.



Remedy:

  • Check for/correct faults in the motor or motor cable.

  • Verify that motor cable does not exceed max. specified length.

  • Decrease the detection level for earth fault with parameter 3028 EARTH FAULT LVL.

  • Note: Disabling ground (earth fault) may void the warranty.


F0017
OBSOLETE

Cause: Not used.



Remedy:

  • No action required.


F0018
THERM FAIL

Cause: Internal fault. The thermistor measuring the internal temperature of the drive is open or shorted.



Remedy:

  • Contact your local ABB representative.


F0019
OPEX LINK

Cause: Internal fault. A communication-related problem has been detected between the control and main circuit boards.



Remedy:

  • Contact your local ABB representative.


F0020
OPEX PWR

Cause: Internal fault. Exceptionally low voltage detected on the main circuit board.



Remedy:

  • Contact your local ABB representative.


F0021
CURR MEAS

Cause: Internal fault. Current measurement is out of range.



Remedy:

  • Contact your local ABB representative.


F0022
SUPPLY PHASE

Cause: Ripple voltage in the DC link is too high.



Remedy:

  • Check for missing mains phase.

  • Check for blown fuse.


F0023
RESERVED

Cause: Not used.



Remedy:

  • No action required.


F0024
OVERSPEED

Cause: Motor speed is greater than 120% of the larger (in magnitude) of 2001 MINIMUM SPEED or 2002 MAXIMUM SPEED.



Remedy:

  • Check parameter settings for 2001 and 2002.

  • Check adequacy of motor braking torque.

  • Check applicability of torque control.

  • Check brake chopper and resistor.


F0025
RESERVED

Cause: Not used.



Remedy:

  • No action required.


F0026
DRIVE ID

Cause: Internal fault. Configuration block drive ID is not valid.



Remedy:

  • Contact your local ABB representative.


F0027
CONFIG FILE

Cause: Internal configuration file has an error.



Remedy:

  • Contact your local ABB representative.


F0028
SERIAL 1 ERR

Cause: Fieldbus communication has timed out.



Remedy:

  • Check fault setup (3018 COMM FAULT FUNC and 3019 COMM FAULT TIME).

  • Check communication settings (Group 51: EXT COMM MODULE or Group 53: EFB PROTOCOL as appropriate).

  • Check for poor connections and/or noise on line.


F0029
EFB CON FILE

Cause: Error in reading the configuration file for the fieldbus adapter.



Remedy:

  • Contact your local ABB representative / Check Fieldbus adapter.


F0030
FORCE TRIP

Cause: Fault trip forced by the fieldbus.



Remedy:

  • See the fieldbus user’s manual.


F0031
EFB 1

Cause: Fault code reserved for the EFB protocol application.



Remedy:

  • The meaning is protocol dependent.


F0032
EFB 2

Cause: Fault code reserved for the EFB protocol application.



Remedy:

  • The meaning is protocol dependent.


F0033
EFB 3

Cause: Fault code reserved for the EFB protocol application.



Remedy:

  • The meaning is protocol dependent.


F0034
MOTOR PHASE

Cause: Fault in the motor circuit. One of the motor phases is lost.


Remedy:

Check for and correct:

  • motor fault

  • motor cable fault

  • thermal relay fault (if used)

  • internal fault.


F0035
OUTP WIRING

Cause: Incorrect input power and motor cable connection (i.e., input power cable is connected to drive motor connection). The fault can be erroneously declared if the drive is faulty or the input power is a delta grounded system and the motor cable capacitance is large.


Remedy:


  • Check input power connections.

  • Check grounding.

  • This fault can be disabled by using parameter 3023 WIRING FAULT.


F0036
INCOMPATIBLE SW

Cause: Loaded software is not compatible with the current drive type.


Remedy:


  • Contact your local ABB representative.


F0037
CB OVERTEMP

Cause: Drive control board is overheated. The fault trip limit is 88 °C.


Remedy:

Check for and correct:

  • excessive ambient temperature

  • fan failure

  • obstructions in the air flow.

  • (Not for drives with an OMIO control board).


F0038
USER LOAD CURVE

Cause: Condition defined by parameter 3701 USER LOAD C MODE has been valid longer than the time defined by 3703 USER LOAD C TIME.


Remedy:


  • Check application load conditions against parameters 3701-3703.


F0101…199
SYSTEM ERROR

Cause: Error internal to the drive.


Remedy:


  • Contact your local ABB representative and report the error number.


F0201…299
SYSTEM ERROR

Cause: Error in the system.


Remedy:


  • Contact your local ABB representative and report the error number.


F1000
PAR HZRPM

Cause: Parameter values are inconsistent.


Remedy:

Check for any of the following:

  • 2001 MINIMUM SPEED > 2002 MAXIMUM SPEED

  • 2007 MINIMUM FREQ > 2008 MAXIMUM FREQ

  • 2001 MINIMUM SPEED / 9908 MOTOR NOM SPEED is outside the range -128…128

  • 2002 MAXIMUM SPEED / 9908 MOTOR NOM SPEED is outside the range -128…128

  • 2007 MINIMUM FREQ / 9907 MOTOR NOM FREQ is outside the range -128…128

  • 2008 MAXIMUM FREQ / 9907 MOTOR NOM FREQ is outside the range -128…128.


F1001
PAR PFA REF NEG

Cause: Parameter values are inconsistent.


Remedy:

Check for the following:

  • 2007 MINIMUM FREQ is negative, when 8123 PFA ENABLE is active.


F1002
RESERVED

Cause: Not used.


Remedy:


  • No action required.


F1003
PAR AI SCALE

Cause: Parameter values are inconsistent.


Remedy:

Check for any of the following:

  • 1301 MINIMUM AI1 > 1302 MAXIMUM AI1

  • 1304 MINIMUM AI2 > 1305 MAXIMUM AI2.


F1004
PAR AO SCALE

Cause: Parameter values are inconsistent.


Remedy:

Check for any of the following:

  • 1504 MINIMUM AO1 > 1505 MAXIMUM AO1

  • 1510 MINIMUM AO2 > 1511 MAXIMUM AO2.


F1005
PAR PCU 2

Cause: Parameter values for power control are inconsistent: Improper motor nominal kVA or motor nominal power.


Remedy:

Check that the following condition is met (1.1 < ... < 2.6):

  • (9906 MOTOR NOM CURR · 9905 MOTOR NOM VOLT · 1.73 / PN)

  • Where PN = 1000 · 9909 MOTOR NOM POWER (if units are kW)

  • Or PN = 746 · 9909 MOTOR NOM POWER (if units are hp).


F1006
PAR EXT RO

Cause: Parameter values are inconsistent.


Remedy:

Check for the following:

  • Extension relay module not connected AND

  • 1410…1412 RELAY OUTPUTS 4…6 have non-zero values.


F1007
PAR FIELDBUS MISSING

Cause: Parameter values are inconsistent.


Remedy:

Check for and correct the following:

  • A parameter is set for fieldbus control (e.g. 1001 EXT1 COMMANDS = 10 (COMM)), but 9802 COMM PROT SEL = 0.


F1008
PAR PFA MODE

Cause: Parameter values are inconsistent.


Remedy:


  • 9904 MOTOR CTRL MODE must be = 3 (SCALAR:FREQ) when 8123 PFA ENABLE is activated.


F1009
PAR PCU 1

Cause: Parameter values for power control are inconsistent: Improper motor nominal frequency or speed.


Remedy:

Check for both of the following:

  • 1 < (60 · 9907 MOTOR NOM FREQ / 9908 MOTOR NOM SPEED) < 16

  • 0.8 < 9908 MOTOR NOM SPEED / (120 · 9907 MOTOR NOM FREQ / Motor poles) < 0.992.


F1010
PAR PFA & OVERRIDE

Cause: Override mode is enabled and PFA is activated at the same time.


Remedy:


  • This cannot be done because PFA interlocks cannot be observed in the override mode. Disable one of the functions.


F1011
PAR OVERRIDE

Cause: Parameter values are inconsistent. All override mode parameters do not have correct values when override mode is enabled (parameter 1705 OVERRIDE ENABLE).


Remedy:

Check for any of the following:

  • Parameter 1701 OVERRIDE SEL, override activation signal.

  • Parameter 1702 OVERRIDE FREQ and 1703 OVERRIDE SPEED both zero.


F1012
PAR PFA IO 1

Cause: IO configuration is not complete – not enough relays are parameterized for PFA. Or, a conflict exists between group 14, parameter 8117 NR OF AUX MOT and parameter 8118 AUTOCHNG INTERV.


Remedy:


  • Check relay parameterization in Group 14.

  • Check parameters 8117 and 8118.


F1013
PAR PFA IO 2

Cause: IO configuration is not complete – the actual number of PFA motors (parameter 8127 MOTORS) does not match the PFA motors in group 14 and parameter 8118 AUTOCHNG INTERV.


Remedy:


  • Ensure parameter 8127 matches Group 14 settings and 8118.


F1014
PAR PFA IO 3

Cause: IO configuration is not complete – the drive is unable to allocate a digital input (interlock) for each PFA motor (parameters 8120 INTERLOCKS and 8127 MOTORS).


Remedy:


  • Check digital input allocation.


F1015
RESERVED

Cause: Not used.


Remedy:


  • No action required.


F1016
PAR USER LOAD C

Cause: Parameter values for the user load curve are inconsistent.


Remedy:

Check that the following conditions are met:

  • 3704 LOAD FREQ 1 < 3707 LOAD FREQ 2 < 3710 LOAD FREQ 3 < 3713 LOAD FREQ 4 < 3716 LOAD FREQ 5.

  • 3705 LOAD TORQ LOW 1 < 3706 LOAD TORQ HIGH 1.

  • 3708 LOAD TORQ LOW 2 < 3709 LOAD TORQ HIGH 2.

  • 3711 LOAD TORQ LOW 3 < 3712 LOAD TORQ HIGH 3.

  • 3714 LOAD TORQ LOW 4 < 3715 LOAD TORQ HIGH 4.

  • 3717 LOAD TORQ LOW 5 < 3718 LOAD TORQ HIGH 5.



UNKNOWN DRIVE TYPE

Cause: Wrong type of panel, i.e. panel that supports drive X but not the ACH550, has been connected to the ACH550.


Remedy:


  • Connect a compatible control panel.


A2001
OVERCURRENT

Cause: The current limiting controller is active.


Remedy:

  • Check for excessive motor load.

  • Check for insufficient acceleration time (parameters 2202 ACCELER TIME 1 and 2205 ACCELER TIME 2).

  • Check for faulty motor, motor cables or connections.


A2002
OVERVOLTAGE

Cause: The overvoltage controller is active.


Remedy:

  • Check for static or transient overvoltages in the input power supply.

  • Check for insufficient deceleration time (parameters 2203 DECELER TIME 1 and 2206 DECELER TIME 2).


A2003
UNDERVOLTAGE

Cause: The undervoltage controller is active.


Remedy:

  • Check for and correct undervoltage on mains.


A2004
DIR LOCK

Cause: The change in direction being attempted is not allowed.


Remedy:

  • Do not attempt to change the direction of motor rotation.

  • Or, change parameter 1003 DIRECTION to allow direction change (if reverse operation is safe).


A2005
IO COMM

Cause: Fieldbus communication has timed out.


Remedy:

  • Check fault setup (3018 COMM FAULT FUNC and 3019 COMM FAULT TIME).

  • Check communication settings (Group 51: EXT COMM MODULE or Group 53: EFB PROTOCOL as appropriate).

  • Check for poor connections and/or noise on line.


A2006
AI1 LOSS

Cause: Analogue input 1 is lost, or value is less than the minimum setting.


Remedy:

  • Check input source and connections.

  • Check parameter that sets the minimum (3021).

  • Check parameter that sets the alarm/fault operation (3001).


A2007
AI2 LOSS

Cause: Analogue input 2 is lost, or value is less than the minimum setting.


Remedy:

  • Check input source and connections.

  • Check parameter that sets the minimum (3022).

  • Check parameter that sets the alarm/fault operation (3001).


A2008
PANEL LOSS

Cause: Panel communication is lost and either the drive is in local mode (HAND) or remote mode (AUTO) parameterized to accept commands from the panel.


Remedy:

  • Check communication lines and connections.

  • Check parameter 3002 PANEL COMM ERR.

  • Check parameters in Group 10: START/STOP/DIR and Group 11: REFERENCE SELECT (if drive operation is AUTO).


A2009
DEVICE OVERTEMP

Cause: Drive heatsink is hot. This alarm warns that a DEV OVERTEMP fault may be near. (R1…R4: 100 °C, R5/R6: 110 °C).


Remedy:

  • Check for fan failure.

  • Check for obstructions in the air flow.

  • Check for dirt or dust coating on the heat sink.

  • Check for excessive ambient temperature.

  • Check for excessive motor load.


A2010
MOTOR TEMP

Cause: Motor is hot, based on either the drive’s estimate or on temperature feedback.


Remedy:

  • Check for overloaded motor.

  • Adjust the parameters used for the estimate (3005…3009).

  • Check the temperature sensors and Group 35: MOTOR TEMP MEAS parameters.


A2011
RESERVED

Cause: Not used.


Remedy:

  • None required.


A2012
MOTOR STALL

Cause: Motor is operating in the stall region. This alarm warns that a MOTOR STALL fault trip may be near.


Remedy:

  • Check motor load and mechanical conditions.


A2013
AUTORESET

Cause: This alarm warns that the drive is about to perform an automatic fault reset, which may start the motor.


Remedy:

  • To control automatic reset, use Group 31: AUTOMATIC RESET.


A2014
AUTOCHANGE

Cause: This alarm warns that the PFA autochange function is active.


Remedy:

  • To control PFA, use Group 81: PFA CONTROL and see also the Pump alternation macro.


A2015
PFA I LOCK

Cause: This alarm warns that the PFA interlocks are active, which means that the drive cannot start any motor (when Autochange is used) or the speed regulated motor.


Remedy:

  • Check PFA Interlock status and connections.


A2017
OFF BUTTON

Cause: This alarm warns that the OFF key has been pressed on the control panel when the AUTO mode is active. The drive stops.


Remedy:

  • To restart the drive, press the AUTO key.

  • To disable this alarm, see parameter 1606.


A2018
PID SLEEP

Cause: This alarm warns that the PID sleep function is active; motor could accelerate when sleep ends.


Remedy:

  • To control PID sleep, use parameters 4022…4026 or 4122…4126.


A2019
ID RUN

Cause: Performing ID run.


Remedy:

  • Wait for ID run to complete.


A2020
OVERRIDE

Cause: Override mode activated.


Remedy:

  • Informational only.


A2021
START ENABLE 1 MISSING

Cause: This alarm warns that the Start enable 1 signal is missing.


Remedy:

  • To control Start enable 1 function, use parameter 1608.

  • Check digital input configuration.

  • Check communication settings.


A2022
START ENABLE 2 MISSING

Cause: This alarm warns that the Start enable 2 signal is missing.


Remedy:

  • To control Start enable 2 function, use parameter 1609.

  • Check digital input configuration.

  • Check communication settings.


A2023
EMERGENCY STOP

Cause: Emergency stop activated.


Remedy:

  • Release emergency stop button and reset drive.


A2025
FIRST START

Cause: Signals that the drive is performing a First Start evaluation of motor characteristics.


Remedy:

  • This is normal the first time the motor is run after parameters are entered. See parameter 9910 ID RUN.


A2026
INPUT PHASE LOSS

Cause: The intermediate DC circuit voltage is oscillating due to missing input power line phase or blown fuse (ripple exceeds 14%).


Remedy:

  • Check input power line fuses.

  • Check for input power supply imbalance.


A2027
USER LOAD CURVE

Cause: Condition defined by parameter 3701 USER LOAD C MODE has been valid longer than time defined by 3703.


Remedy:

  • Check load conditions against user load curve settings.


A2028
START DELAY

Cause: Shown during the Start delay.


Remedy:

  • See parameter 2113 START DELAY.