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FANUC Parts Provider

FANUC Spare Parts

Below is a list of FANUC parts. Many are available for immediate delivery. Have a look and see just how many will fit your needs! If you do not see your part listed, let us know and we’ll gladly work to find stock or offer expedited repair options. For immediate assistance, please call or email.

FANUC P/N DESCRIPTION ACTION
A06B-0128-B575 AC SVMTR A6/3K A64 ST KY VIEW PART
A06B-0227-B400 AC SVMTR AiF8/3K 1M-A ST BK VIEW PART
A06B-0373-B575 AC SVMTR A2/3K 64K-A ST KY VIEW PART
A06B-6096-H106 ALPHA SVM1-130 F/O VIEW PART
A06B-6110-H030 Ai PSM-30 VIEW PART
A06B-0253-B200 AC SVMTR AiF 30/3K 1M-A ST KY VIEW PART

Our Products

mauser packaging solutions logo

ā€œParts Provider has always gotten me out of a jam and they have had very good pricing. Zach and his team have always helped when Iā€™ve had a problem.ā€

Joe Citarella

Maintenance Supervisor, Mauser Packaging Solutions, Newnan, GA
Parts Provider

ā€œZach always come thru when hard to find parts are needed, he always responds quickly, which is a tremendous appreciation in this business.ā€

Shannon Ranney

Parts Coordinator, ELLISON TECHNOLOGIES, Santa Fe Springs, CA
Parts Provider

ā€œZach at Parts Provider is great to work with. He is very professional and gets quotes and orders out quickly and correctly. I recommend Parts Provider very highly.ā€

Todd W.

CSR, Motion Industries, Raleigh, NC
rocky mountain twist logo

ā€œFor many years now, Parts Provider has done the vast majority of rebuild work for the electrical components on our CNC machines ā€“ servo amps, encoders, input/output cards, etcā€¦.
They consistently do a good job for us and work with us whenever thereā€™s been an issue or an emergency repair needed. Parts Provider is considered one of our critical service providers.ā€

Alan L.

Buyer, Rocky Mountain Twist Corporation, Ronan, MT
Parts Provider

ā€œWe have many older machines in our shop which have control boards go out routinely. Ā Parts Provider is always open to helping us trouble shoot our machine problems and keeps a lot of inventory on hand. We typically can get boards the same day or overnighted if they donā€™t have in stock. Ā Parts Provider keeps our machines running.ā€

Chris G.

Lead Maintenance, Withers Tool and Die, Mableton, GA
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ā€œParts Provider offers timely and thorough service. Attention to detail is an obvious strong point when working with this company. Parts Provider has quick response times and produces nothing but the best.ā€

Curtis T.

President, Worldwide CNC Parts, Buford, GA
Parts Provider

ā€œI have worked with Parts Provider on numerous occasions over many years and always find they are very experienced with the products and know how they function. They have helped my Maintenance technicians figure out issues with machines that saved us valuable time and also costly OEM service calls. Ā They are always available, friendly and kind when needed.ā€

 

 

Jennie S.

Manufacturing Inventory Control Specialist, TechnipFMC, Stephenville, TX
Parts Provider

ā€œFor over 10 years I have had the personal experience working with the Parts Provider team and have never been disappointed. Ā They have always gone the extra mile no matter what time of the day, the response time is immediate and their customer service is excellent on top of producing a premium product. Thank you and I look forward to future business.ā€

Kim I.

Assistant Operations Manager, K+S Services, Inc., Taylor, MI
Parts Provider

ā€œParts Provider has been an essential supplier to our company going on almost 10 years. They have been able to consistently provide high quality parts to us and have gotten us out of more jams than I can count. I would highly recommend contacting them if you ever have any need for CNC parts, they have a large inventory of product and are always able to help.ā€

Joe K.

MRO Electric, Cary, NC
odyssey medical technologies logo

ā€œOur organization has been doing business with Parts Provider for many years.Ā  It has been my experience, in dealing with Parts Provider and ordering materials, that they are an exceptional organization that goes above & beyond, very knowledgeable and provide outstanding customer service.Ā  We recently needed a part for one of our machines, we called Parts Provider and they shipped it to us immediately.Ā  We were unable to return the core for the credit in Part Providerā€™s time frame, but I called and explained the situation and they were very understanding and allowed us to ship the part back at a later date and still gave us the core credit.

In all of my long-term experience in accounting and purchasing, I have never been more pleased with a supplier such as Parts Provider.Ā  I highly recommend them to anyone in need of items that they have to offer.ā€

Julie W.

Accounting Manager, Odyssey Medical, Memphis, TN
kumi kamco industries inc lgoo

ā€œI first came across Parts Provider back in 2010 while doing an internet search for Fanuc robot components. From my initial contact, they have been nothing but professional every time. They are very responsive on quote requests and shipping of items once ordered. They offer both new and reconditioned components, which come with a warranty. Iā€™ve never had an issue with anything that Iā€™ve purchased from them, and would highly recommend them to anyone.ā€

Kenny W.

Senior Innovation Manager, Kamco Industries, Inc., West Unity, OH

Troubleshooting/FAQ

  • Loading Option Parameters

    **WARNING: HOLDING DOWN 7 AND 9 KEYS WHILE POWERING ON THE CONTROL WILL CLEAR/DELETE ALL EXISTING MEMORY IN THE CONTROL**

    1) Hold down keys 7 and 9 while powering on the control to dump memory/clear file. Control will then come up in IPL mode.

    Hold down the . and – keys, while powering on the control, if you only want to get to IPL MODE without clearing control memory.

    2) In IPL mode, Type in 99, then input.

    3) At the first (?) type in the first password, then hit input. The passwords will not appear on the screen. Do the same for the second and third passwords. *This step only applies for the 15 control.*

    4) Initialize/Generate system label ok? Choose `{`Y`}` for yes.* On the 15 control, this step will not be used.*

    5) Axis ? # of axes Examples: Standard Lathe=2 (X and Z)
    Standard Mill=3 (X, Y, & Z)

    6) Start putting 9100 option parameters in. Parameters are in hexadecimal. Ex. Option 3? 22 then input key. Binary ā€“ 00100010 Hex ā€“ 22

    7) If you are not putting any parameters in any of the options, skip them by hitting the input key.

    8) If you miss an option or put the wrong information in an option you will have to start over from the beginning.

    9) When done loading options, input down to clear file of ? Type in Y, then input.

    10) Choose 6 end IPL to end IPL mode.

    11) Ready to load parameters.

  • FANUC Servo Alarm 5136 Number of Amps Too Small on FSiA_B Workaround
    1. Put control in mdi mode
    2. Press offset/setting hard key
    3. Press setting soft key
    4. Parameter write enable should be displayed at top of screen and should be highlighted
    5. Press ā€œ1ā€ and input
    6. Should now see alarm screen with ā€œp/s 100 parameter write enabledā€
    7. Press system hard key
    8. Press parameter soft key
    9. Type in parameter ā€œ2165ā€ then press ā€œnr. Srhā€
    10. Highlight any axis that is turned on, meaning ā€œ1ā€, and type ā€œ0ā€ and input
    11. Press offset/setting key, will then take you back to paramater write enable screen
    12. Change parameter write enable back to ā€œ0ā€
    13. Press ā€œresetā€
    14. All alarms should be gone. If not, power down the control and power back up.
  • Installing Servo Software
    1. Hold down the right two soft keys under the screen to get into the Boot System and turn on control.
    2. Install the card in slot on the front of the control.
    3. Select SYSTEM DATA LOADING from the main menu.
    4. Select DGSERVO (This will be the only file on the card).
    5. Select YES when prompted. Wait for the screen to say COMPLETE.
    6. Select END to get back to the main menu, and then END again. Finally, select YES.
    7. Power down and power up, control should now boot normally and servo software is updated.
  • FANUC Series 16/18 Backup and Restore Procedure

    Data Input/Output Operation

    Output the following data when it is possible in normal conditions.
    a. CNC parameter
    b. Pitch error compensation data
    c. PMC parameters
    d. Custom Macro Variables
    e. CAP data
    f. Part programs
    g. Tool offset data

    1. Check the parameters for data output operation.
    *The data is not able to output in alarm condition.*

    PRM 0000 ISO =
    0 Output in E1A code
    1Output in ISO code

    PRM 0020 Selection of I/O channel
    0: Channel 1 (JD5A on Main CPU board)
    Set PRM 0101 ~ 0103

    1: Channel 1 (JD5A on Main CPU board)
    Set PRM 0111 ~ 0113
    2: Channel 2 (JD5B on Main CPU board)
    Set PRM 0121 ~ 0123
    3: Channel 3 (JD5C on Option 1 board)

    Set PRM 0131 ~ 0135

    PRM 0101, 0111, 0121, 0131

    Channel Manual Chart Meter

    bit 7(NFD)
    0: FEED is output in punch out mode.
    1: FEED is not output in punch out mode.

    bit 3(ASI)
    0: To use E1A code or ISO code.
    1: To use ASCII code in data input mode.

    bit 0(SB2)
    0: 1 stop bit.
    1: 2 stop bits.

    PRM 0102, 0112, 0122, 0132

    Specification Manual Chart of Input Output Device

    PRM 0103, 0113, 0123, 0133
    Setting Ratio Chart of Baud Rate
    PRM 0134, 0135: See Parameter manual for details of these parameters, if necessary.

    Output of CNC Parameters
    1. Select EDIT mode.
    2. Select PARAMETER screen by pressing `{`SYSTEM`}` key and (PARAM) soft key.
    3. Press (OPRT) soft key and ( > ) right arrow soft key.
    4. Press (PUNCH) soft key and (EXEC) soft key.

    Output of Pitch Error Compensation data
    1. Select EDIT mode.
    2. Select PITCH ERROR COMPENSATION screen by pressing `{`SYSTEM`}` key and (PARAM), (>), and (PITCH) soft keys.
    3. Press (OPRT) and (>) soft keys.
    4. Press (PUNCH) AND (EXEC) soft keys.

    Output of PMC Parameters
    1. Select MDI mode.
    2. Turn on Parameter Write Enable.
    3. Press `{`SYSTEM`}` key and (PMC) soft key.
    4. Press (PMCPRM) and (KEEPRL) soft keys.
    5. Move the cursor to K17 and set bit 1 to ā€œ1ā€.
    6. Select EDIT mode.
    7. Press () soft keys.
    8. Press (I/O) soft key to set parameters for I/O operation

    CHANNEL NO. = Press ā€œ1ā€ and `{`INPUT`}` keys.
    DEVICE NAME = Press (FDCAS) soft key.
    KIND OF DATA = Press (PARAM) soft key.
    FUNCTION =Press (WRITE) soft key.
    FILE NO =Press `{`-`}` `{`1`}` `{`INPUT`}` keys.
    9. Press (EXEC) soft key.

    Output of Custom Macro Variables
    1. Select EDIT mode.
    2. Display TOOL OFFSET screen by pressing `{`OFFSET`}` key.
    3. Press (>) and then (MACRO) soft keys to display macro variable screen.
    4. Press (OPRT) and then (>) soft keys.
    5. Press (PUNCH) and (EXEC) to output variables No. 500 ~ 999.

    Output of Part Programs
    1. Verify NC PRM 3202 bit 4 and bit 0 = 0. If ā€œ1ā€, 8000 and 9000 series programs are protected and will not be output.
    2. Select EDIT mode.
    3. Select PROGRAM screen by pressing `{`PROG`}` key and (PRGRM) soft key.
    4. Press (OPRT) and (>) soft keys.
    5. Key in ā€œO-9999ā€ to output all programs.
    6. Press (PUNCH) and (EXEC) soft keys.

    Output of Tool Offset Data
    1. Select EDIT mode.
    2. Display to TOOL OFFSET screen by pressing `{`OFFSET`}` key and (OFFSET) soft key.
    3. Press (OPRT) and (>) soft keys.
    4. Press (PUNCH) and (EXEC) soft keys.

    Output of Conversational Function Data
    1. Select EDIT mode.
    2. Display TOOL DATA MENU screen by pressing `{`OFFSET`}` key twice.
    3. Press (PUNCH) soft key to output Tooling Data.

    Restoring Memory
    Depress EMERGENCY STOP button.
    Verify correct communication parameters from output procedure.

    Input of CNC Parameters
    1. Display to PARAMETER screen by pressing `{`SYSTEM`}` key and (PARAM) soft key.
    2. Press (OPRT) and (>) soft key.
    3. Press (READ) and (EXEC) soft keys. Parameters will be input.
    4. When input is complete, power the CNC OFF and ON.
    Parameter No. 1815 bit 5 set to ā€œ0ā€ will disable an alarm 310 with an Absolute Pulse coder system.

    Input of PITCH ERROR COMPENSATION data
    1. Select EDIT mode.
    2. Verify Parameter Write Enable = 1.
    3. Press `{`SYSTEM`}` key and (PARAM), (>), and (PITCH) soft keys.
    4. Press (OPRT) and (>) soft keys.
    5. Press (READ) and (EXEC) soft keys to input Pitch Error data.

    Input of PMC PARAMETERS
    1. Verify Parameter Write Enable = 1.
    2. Press `{`SYSTEM`}` key and (PMC) soft key.
    3. Press (PMCPRM), then (KEEPRL) soft keys.
    4. Move cursor to K17 and press `{`1`}`, `{`0`}` and `{`INPUT`}`.
    5. Select EDIT mode.
    6. Press () soft keys.
    7. Press (I/O) soft key, and set parameters for I/O operation.
    CHANNEL NO=press `{` 1 `}` and `{` INPUT `}` keys.
    DEVICE NAME=press (FDCAS) soft key.
    FUNCTION=press (READ) soft key.
    FILE NO=PRESS `{` 2 `}` and `{` INPUT `}` keys.
    8. Press (EXEC) soft key to read PMC parameters.

    Input of CUSTOM MACRO VARIABLES
    1. Select EDIT mode.
    2. Turn off the Program Protect key.
    3. Press `{`PROGRAM`}` key and (PRGRM) soft key.
    4. Press ( > ) soft key.
    5. Press `{` O `}` and `{` 1 `}` keys, then (READ) and (EXEC) softkeys.
    6. Select AUTO mode and execute program O0001.
    7. Verify variables were written to Macro Variable table.
    8. Delete program O0001.

    Input of PART PROGRAMS
    1. Set the following parameters in MDI mode, if necessary.
    PRM 3201,bit 6=1
    PRM 3201, bit 1=0
    PRM 3202, bit 4=0
    PRM 3202, bit 0=0
    2. Select EDIT mode.
    3. Turn off the Program Protect key.
    4. Press `{`PROGRAM`}` key and (PRGRM) soft key.
    5. Press ( > ) soft key.
    6. Press (READ) and (EXEC) soft keys to read part programs.

    Input of TOOL OFFSETS
    1. Select EDIT mode.
    2. Turn off the Program Protect key.
    3. Press the `{`OFFSET`}` key and (OFFSET) soft key.
    4. Press the (OPRT) and the ( > ) soft keys.
    5. Press the (READ) and (EXEC) soft keys to read in Tool Offsets.

    Input of CONVERSATIONAL function data

    FS16/18-MA/TA/TTA, CAP-IFS-16MA
    1. Select EDIT mode.
    2. Turn off the Program Protect key.
    3. Press the `{`PROGRAM`}` key and (PRGRM) soft key.
    4. Press the (>) soft key.
    5. Press `{` O `}` and `{` 1 `}` keys, then (READ) and (EXEC) soft keys to read data.
    6. Set parameter 3401 bit 0 = 0, in MDI mode.
    7. Select AUTO mode.
    8. Execute program O0001.
    9. Confirm cutting condition and tool preparation data are restored.
    10. Delete program O0001.
    11. Set parameter 3401 bit 0 to 1 in MDI mode.

    FS-16/18-TA, FS16/18-TTA
    1. Select EDIT mode.
    2. Turn off the Program Protect key.
    3. Display the Tool Data Menu screen by pressing the `{`OFFSET`}` key twice.
    4. Press the (READ) soft key to read in the Conversational function data.
    5. Verify the data has been restored.

  • FANUC Spindle Alarm Codes

    Alarm A (AL-A) ROM Abnormality
    Cause: Incorrect ROM, ROM not installed correctly, error with control circuit.
    Remedy: Install correct ROM, replace control circuit.

    Alarm 01 (AL-01) Motor Overheat
    Causes: Damaged motor fan, overload, motor cooler is dirty, loose connection.
    Remedy: Replace parts, clean cooler, check connections, review cutting conditions.

    Alarm 02 (AL-02) Excessive Speed Deviation
    Causes: Overload, transistor module is damaged, loose connections, error with speed feedback signal, blown fuse.
    Remedy: Replace parts, check connections, review cutting conditions.

    Alarm 03 (AL-03) Blown Fuse in DC Link Section
    Causes: Indicates that the fuse F4 in DC link is blown (models 30S and 40S).
    Remedy: Check power transistors and replace fuse.

    Alarm 04 (AL-04) Input fuse blown / Input power open phase
    Causes: Defective transistor module, blown fuse.
    Remedy: Replace parts, replace fuse.

    Alarm 05 (AL-05) Control Power Supply Fuse Blown
    Causes: Defective PCB, Abnormal power supply voltage.
    Remedy: Check power supply, replace PCB, replace fuse.

    Alarm 07 (AL-07) Excessive Speed
    Causes: Incorrect parameter setting.
    Remedy: Reset parameter value.

    Alarm 08 (AL-08) High Input Voltage
    Causes: AC power supply too high, incorrect setting of toggle switch for voltage setting.
    Remedy: Change setting from 200V to 230V.

    Alarm 09 (AL-09) Heat sink is overheated
    Causes: Cooling fan is defective, overload, dust and dirty.
    Remedy: Replace fan, review cutting conditions, clean parts.

    Alarm 10 (AL-10) Input Power Voltage Low
    Causes: Drop in input power, momentary power failure.
    Remedy: Correct case and reset alarm.

    Alarm 11 (AL-11) Overvoltage of DC Link Circuit
    Causes: High power impedance, PCB or transistor module are defective.
    Remedy: Check AC power, replace damaged parts.

    Alarm 12 (AL-12) Overcurrent flows to DC Link Circuit
    Causes: Output terminals or internal motor of motor is shorted, defective PCB or transistor module.
    Remedy: Check connections, replace damaged parts.

    Alarm 13 (AL-13) CPU Inter Data Memory Alarm
    Cause: Defective PCB
    Remedy: Replace PCB

    Alarm 15 (AL-15)
    Cause: Spindle switch /output switch alarm.
    Remedy: Check sequence.

    Alarm 16 (AL-16) RAM Abnormality
    Causes: Defective RAM or PCB.
    Remedy: Replace RAM, replace PCB.

    Alarm 18 (AL-18) Program ROM sum check error
    Causes: Defective ROM.
    Remedy: Replace ROM.

    Alarm 19 (AL-19)
    Causes: Defective A/D convertor or PCB, loose connections.
    Remedy: Replace A/D convertor, replace PCB, check connections.

    Alarm 20 (AL-20)
    Causes: Defective PCB, loose connections.
    Remedy: Replace PCB, check connections.

    Alarm 24 (AL-24)
    Causes: CNC power off, defective optical cable.
    Remedy: Turn power on, clean or replace optical cable, replace LSI, replace PCB.

    Alarm 25 (AL-25)
    Cause: See Alarm 24
    Remedy: See Alarm 24

    Alarm 26 (AL-26)
    Cause: Defective signal level/line of spindle motor for C axis control, defective detector circuit for C axis control, incorrect parameter setting.
    Remedy: Check signal level, connect signal cable securely, replace detector circuit, set correct parameter value.

    Alarm 27 (AL-27)
    Causes: Position coder signal line defective, incorrect parameter setting.
    Remedy: Connect signal cable securely, replace signal cable, set correct parameter values.

    Alarm 28 (AL-28)
    Cause: Defective signal level/line of spindle motor for C axis control, defective detector circuit for C axis control.
    Remedy: Check signal level, connect signal cable securely, replace detector circuit.

    Alarm 29 (AL-29)
    Cause: Overload.
    Remedy: Review cutting conditions.

    Alarm 30 (AL-30)
    Cause: Defective power transistor, defective PCB.
    Remedy: Replace power transistor, replace PCB.

    Alarm 31 (AL-31)
    Cause: Motor constrained, defective motor speed reversion signal/signal cable
    Remedy: Connect cable securely, replace cable.

    Alarm 32 (AL-32)
    Cause: Defective LSI.
    Remedy: Replace LSI, replace PCB.

    Alarm 33 (AL-33)
    Cause: Defective relay, disconnected resistor.
    Remedy: Replace amp.

    Alarm 34 (AL-34)
    Cause: Incorrect parameter setting
    Remedy: Set correct parameter values.

    Alarm 35 (AL-35)
    Cause: Incorrect parameter setting for gear ratio and position gain data.
    Remedy: Set correct parameter values.

    Alarm 36 (AL-36)
    Cause: Error count overflow
    Remedy: Correct cause and reset alarm.

    Alarm 37 (AL-37)
    Cause: Incorrect parameter setting (No.6511)
    Remedy: Set correct parameter values.

    Alarm 39 (AL-39)
    Cause: Incorrect ROM version.
    Remedy: Replace ROM version.

    Alarm 40 (AL-40)
    Cause: No occurrence of 1-rotation signal.
    Remedy: Make 1-rotation signal offset adjustment, check cables.

    Alarm 41 (AL-41)
    Cause: Incorrect parameter setting (No. 6503), incorrect amplitude and offset of position coder feedback signal.
    Remedy: Set correct parameter value, adjust feedback signal, check shielding status.

    Alarm 42 (AL-42)
    Cause: Position coder 1-rotation signal not detected.
    Remedy: Make 1-rotation signal adjustment for signal conversion circuit.

    Alarm 43 (AL-43)
    Cause: Disconnection of position coder signal for differential speed mode.
    Remedy: Check main spindle position coder signal is connected to connector CN12

    Alarm 46 (AL-46)
    Cause: Failure in detecting position coder 1-rotation signal in thread operation.
    Remedy: Make 1-rotation signal adjustment for signal conversion circuit. Check cable shield status.

    Alarm 47 (AL-47)
    Cause: See Alarm 41
    Remedy: See Alarm 41

    Alarm 48 (AL-48)
    Cause: The position coder 1-rotation speed is too high
    Remedy: Make 1-rotation signal adjustment for signal conversion circuit

    Alarm 49 (AL-49)
    Cause: The converted differential speed is too high
    Remedy: Calculate differential speed and check if this value is not greater than maximum speed of motor.

    Alarm 50 (AL-50)
    Cause: Excessive speed command calculation value in spindle synchronization control.
    Remedy: Calculate motor speed and check if it is not greater than max motor speed

    Alarm 51 (AL-51)
    Cause: Undervoltage at DC link section.
    Remedy: Correct cause and reset alarm.

    Alarm 52 (AL-52)
    Cause: ITP signal abnormality I.
    Remedy: Correct cause and reset alarm.

    Alarm 53 (AL-53)
    Cause: ITP signal abnormality II.
    Remedy: Correct cause and reset alarm.

    Alarm 54 (AL-54)
    Cause: Overload current alarm
    Remedy: Check if overload operation or frequent acceleration/deceleration is performed.

    Alarm 55 (AL-55)
    Cause: Power line abnormality in spindle switching/output switching.
    Remedy: Check magnetic contractor for power line switching.

  • How to Diagnose a FANUC High Current Alarm

    [Note: A 414 alarm indicates you need to look at your servo drives or servo modules. If after looking at the drives or modules you find an HC LED lit or an 8, 9, A (or 12 for spindle) on the seven-segment display, then you have a high current alarm. Solving for a high current alarm can be tricky because the problem may be caused by the motor, drive, or cable.]
    Disconnect the four motor leads from the drive.
    Power up and see if you have the HC alarm LED lit.

    (ALARM CAN BE HC LED, ALARM 8/9/A/b (SERVO), or ALARM 12 (SPINDLE)

    If you no longer get the HC alarm, then your motor is probably bad. Note: Spindle HC alarms will not show up until you try to move the motor with a very low speed M command.
    If you still have the HC ALARM, then your drive is probably bad. However, we donā€™t know what caused the drive to fail. By measuring through the four disconnected motor leads, you can check the power cables and the motor at the same time.

    FIRST: With an ohm meter, check for shorts in the motor by measuring leg-to-leg and leg-to-ground on all three legs. Leg-to-leg readings should be low, but consistent, on all three legs. The leg-to-ground readings should be open, or OL, on all three legs-to-ground.

    SECOND: With a megger, check each leg-to-ground. The reading should show infinity (or 500 MEG and above) at the 1000V setting. Check all three legs-to-ground because the problem can be in the power plug/terminal box of the motor or the power cables going from the drive to the motor.
    AN OHM METER WILL TELL YOU IF YOUR MOTOR IS SHORTED.
    A MEGGER WILL TELL YOU IF YOUR MOTOR IS GROUNDED.

  • FANUC 6A_B Will Not Zero Return

    * WARNING * Use extreme caution while working with or near any moving parts or electrical components. Fatal voltages may exist on the control components, DISCONNECT POWER before attempting any service.

    Machine Model:
    Problem:
    Diagnostic procedures and possible solutions
    6TA/B

    Machine will not zero return:

    When the machine zero returns, does it decel?Ā  If not, check the decel switch.
    To check the decel switch – push the decel switch down and check diagnostic #32 bit 5 for X axis and #33 bit 5 for Z axis. If it changes from 1 to a 0 when the switch is depressed, the switch is good.
    If the machine does decel,Ā jog the machine away from home position – turn the rapid override switch down – try to zero return the machine and have someone depress the decel switch – (USE CAUTION…DON’T PINCH YOUR FINGERS!)
    the machine should slow down – let the switch back up – the machine should find home within one rev of the ball screw.Ā  If it does not, you have a bad encoder or a broken cable.
    You can test the cable by checking between pins:
    14——-F
    15——-G
    If the machine does home in the middle of travel – try moving the decel dog.
    6MA/B
    Machine will not zero return:
    When the machine zero returns, does it decel?Ā  If not, check the decel switch.
    To check the decel switch – push the decel switch down and check diagnostic #32 bit 5 for X axis, #33 bit 5 for Y axis and #34 bit 5 for Z axis. If it changes from 1 to a 0 when the switch is depressed, the switch is good.
    If the machine does decel,Ā jog the machine away from home position – turn the override switch down – try to zero return the machine and have someone depress the decel switch – (USE CAUTION…DON’T PINCH YOUR FINGERS!)
    the machine should slow down – let the switch back up – the machine should find home within one rev of the ball screw.Ā  If it does not, you have a bad encoder or a broken cable.
    You can test the cable by checking between pins:
    14——-F
    15——-G
    If the machine does home in the middle of travel – try moving the decel dog.
    Machine gets a soft alarm when trying to zero return: Command a G23 in MDI then zero return the machine.
    Machine will not power up: Look for the input unit, is the green LED on? – if not check for 220VAC on terminal strip – if 220VAC is present you probably have a bad input unit.
    If 220VAC is not present check machine wiring.
    If the green LED is on and the red LED comes on when the power on push button is pushed, turn off the control – Disconnect the outputs from the power supply (these are all the connections on the right-hand side of the power supply). Turn the control on – if the red LED comes on, you probably have a bad power supply.
    If it does not come on you probably have a short on the machine. Connect all the 0v connections then connect one wire at a time. Turn the control on each time and see if the red LED comes on. When the red LED comes on, the last wire you hooked up has the short on it. Trace this wire to find the short.
    RS232 Problems If data is not being input/output or you have a communication alarm.
    Check the following:1) Check cable connections (see cable connections below)RS232 Connection for Fanuc Controls
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    3Ā  ————————————————— 2
    7Ā  ————————————————— 7
    JumperĀ Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā  Jumper
    4-5Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā  4-5
    6-8-20Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā  6-8-20