Altivar 12 Diagnostics and Troubleshooting
Contents
1. and then back on again Contact local Schneider Electric representative BBV28581 05 2010 107 Diagnostics and Troubleshooting Fault detection codes that cannot be cleared automatically continued Code Name Possible causes Remedy Overcurrent e Parameters in the Motor control menu dr page 57 are not correct Inertia or load too high Mechanical locking e Check the parameters e Check the size of the motor drive load e Check the state of the mechanism e Connect line chokes e Reduce the Switching frequency 5 F r page 59 Check the ground connection of drive motor cable and motor insulation SITER l Motor short circuit Ground short circuit Short circuit or grounding at the drive output Ground fault during running status Commutation of motors during running status Significant current leakage to ground if several motors are connected in parallel Check the cables connecting the drive to the motor and the motor insulation Connect motor chokes IGBT short circuit Internal power component short circuit detected at power on Contact your local Schneider Electric representative Overspeed Instability Overspeed associated with the inertia of the application Check the motor Overspeed is 10 more than Maximum frequency F r page 57 so adjust this parameter if necessary Add a braking resistor Check the size of the motor drive load Check parameters of the speed loop2. gain and stability Auto tuning Motor not connected to the drive One motor phase loss Special motor Motor is rotating being driven by the load for example Check that the motor drive are compatible Check that the motor is present during auto tuning If an output contactor is being used close it during auto tuning Check that the motor is completely stopped 108 BBV28581 05 2010 Diagnostics and Troubleshooting Fault detection codes that can be cleared with the automatic restart function after the cause has disappeared These faults can also be cleared by turning on and off or by means of a logic input parameter Detected fault reset assignment 5 F page 91 Code Name Possible causes Remedy a Detection if e Check the terminal connection e Analog input Al1 is configured as Al current lost fault current Al1 current scaling parameter of 0 r L page 52 is greater than 3 mA Analog input current is lower than 2mA Overbraking Braking too sudden or driving load too high Increase the deceleration time Install a module unit with a braking resistor if necessary Check the line supply voltage to be sure that it is under the maximum acceptable 20 over maximum line supply during run status Drive overheat Drive temperature too high Check the motor load the drive ventilation and the ambient temperature Wait for the drive to cool down before restarting See Mount
3. Altivar 12 Diagnostics and Troubleshooting Drive does not start no error code displayed If the display does not light up check the power supply to the drive ground and input phases connection see page 20 The assignment of the Fast stop or Freewheel functions will prevent the drive starting if the corresponding logic inputs are not powered up The ATV12 then displays n 5 in freewheel stop and F SE in fast stop it will display d Y en freewhell stop This is normal since these functions are active at zero so that the drive will be stopped if there is a wire break Assignment of LI to be checked in On F FULL FUn SEE menu Make sure that the run command input s is activated in accordance with the selected control mode parameters Type of control E page 48 and 2 wire type control E Ck page 51 in OnF FULL 1_ O menu If the reference channel or command channel is assigned to Modbus when the power supply is connected the drive displays n 5k freewheel and remain in stop mode until the communication bus sends a command e In factory setting RUN button is inactive Adjust parameters Reference channel 1 F I page 62 and Command channel 1 C d I page 63 to control the drive locally C On F F UL L C E L menu See How to control the drive locally page 46 Fault detection codes that cannot be cleared automatically The cause of the detected fault must be removed before clearing by turning off and then on S
4. OF and E nF faults can also be cleared remotely by means of a logic input parameter Detected fault reset assignment r 5 F page 91 inC OnF FULL FLE menu code Name Possible causes Remedy E Cr F Precharge e Charging relay control fault or e Turn the drive off and then back on again charging resistor damaged e Check the connections e Check the stability of the main supply e Contact your local Schneider Electric representative InF Unknown drive rating The power card is different from Contact your local Schneider Electric the card stored representative In F 2 Unknown or incompatible power The power card is incompatible Contact your local Schneider Electric with the control card representative nF 3 Internal serial link Communication interruption Contact your local Schneider Electric between the internal cards representative ln F 4 Invalid industrialization zone Inconsistent internal data Contact your local Schneider Electric representative Current measurement circuit Current measurement is not Contact your local Schneider Electric correct due to hardware circuit representative Invalid application firmware Flash again the application firmware of the update using the Multi Loader tool product The drive temperature sensor is Contact your local Schneider Electric not operating correctly representative The drive is in short circuit or open Internal CPU Internal microprocessor Turn the drive off
5. his message appears if the STOP key is pressed when there is a keypad fault Drive mismatch Drive type brand did not match with keypad type brand ROM abnormality Keypad ROM abnormality detected by the checksum calculation RAM abnormality Keypad RAM abnormality detected The other defect 1 Flashing The other detected fault 112 BBV28581 05 2010
6. ine supply Disturbed line supply Check the line voltage BBV28581 05 2010 109 Diagnostics and Troubleshooting Fault detection codes that can be cleared with the automatic restart function after the cause has disappeared continued Possible causes Remedy PHF Input phase loss e Drive incorrectly supplied or a fuse blown e Failure of one phase e 3 phase ATV12 used on a single phase line supply Unbalanced load This protection only operates with the drive on load e Check the power connection and the fuses e Use a 3 phase line supply e Disable the fault by setting Input Phase loss detection IPL page 94 n70 Load short circuit Short circuit at drive output Short circuit detection at the run order or DC injection order if parameter IGBT test 5k r k page 95issetto YES Check the cables connecting the drive to the motor and the motor s insulation Modbus communication Interruption in communication on the Modbus network Check the connections of communication bus Check the time out Modbus time out O parameter page 97 Refer to the Modbus user manual SoMove communication Communication interruption with SoMove Check the SoMove connecting cable Check the time out HMI communication Communication interruption with the external display terminal Check the terminal connection PI Feedback detected fault PID feedback below lower limit Check the PID fu
7. ing and temperature conditions page 13 Process overload Process overload Check the process and the parameters of the drive to be in phase Motor overload Triggered by excessive motor current Check the setting of the motor thermal protection check the motor load 1 output phase loss Loss of one phase at drive output Check the connections from the drive to the motor In case of using downstream contactor check the right connection cable and contactor 3 output phase loss Motor not connected Motor power too low below 6 of the drive nominal current Output contactor open Instantaneous instability in the motor current Check the connections from the drive to the motor Test on a low power motor or without a motor In factory settings mode motor phase loss detection is active Output Phase loss detection O P L page 94 YE 5 To check the drive in a test or maintenance environment without having to use a motor with the same rating as the drive deactivate motor phase loss detection Output Phase loss detection OPL n O Check and optimize the following parameters IR compensation law U F U F r page 58 Rated motor voltage U n S page 57 and Rated motor current n E r page 57 and perform an Auto tuning Lin page 60 Main overvoltage Line voltage too high At drive power on only the supply is 10 over the maximum acceptable voltage level Power with no run order 20 over the maximum l
8. nction feedback Check the PI feedback supervision threshold L P I and time delay P I page 76 Process underload fault Process underload Motor current below the Application Underload threshold L UL parameter page 55 during a period set by Application underload time delay UL E parameter page 55 to protect the application Check the process and the parameters of the drive to be in phase IGBT overheat Drive overheated IGBT internal temperature is too high according to ambient temperature and load Check the size of the load motor drive Reduce the Switching frequency 5 F r page 59 Wait for the drive to cool before restarting 110 BBV28581 05 2010 Diagnostics and Troubleshooting Faults codes that will be cleared as soon as their causes disappear The USF fault can be cleared remotely by means of a logic input parameter Detected fault reset assignment 5 F page 91 Incorrect configuration Possible causes e HMI block replaced by an HMI block configured on a drive with a different rating The current configuration of customer parameters is inconsistent Return to factory settings or retrieve the backup configuration if it is valid If the fault remains after reverting to the factory settings contact your local Schneider Electric representative Invalid configuration Invalid configuration The configuration loaded in the drive via the bus or communication network is inconsi
9. stent The configuration upload has been interrupted or is not fully finished Check the configuration loaded previously Load a compatible configuration Download invalid configuration Interruption of download operation with Loader or SoMove Check connection with Loader or SoMove To reset the default re start the download operation or restore the factory setting Undervoltage Line supply too low Transient voltage dip Check the voltage and the parameters of Undervoltage Phase Loss Menu L 5 b page 95 1 When the CFI is present in the past fault menu it means the configuration has been interrupted or is not fully finished HMI block changed When an HMI block is replaced by an HMI block configured on a drive with a different rating the drive locks in Incorrect configuration F F fault mode on power up If the card has been deliberately changed the fault can be cleared by returning to factory setting BBV28581 05 2010 111 Diagnostics and Troubleshooting Fault detection codes displayed on the remote display terminal On initializing itself Micro controller initializing Communication configuration search Communication error It has 50ms time out error This message is shown after 220 retry attempts Key alarm Key has been pressed consecutively for more than 10 seconds Membrane switch disconnected Keypad woken up while a key is being pressed Confirm Fault reset T
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