IRB 1400 not jogging

    Hello there. :smiling_face:

    I have this IRB 1400 robot.

    When i turn it on it makes no Faults.

    when i push the button on my teach pendant, the fault 37001 coms up.

    KM3 is pulled when i power up the robot when i push teach pendant KM1 is pulled and pulled off again

    Do any have a easy way to test the contactors or can exsplain how they works

    I know KM1 and KM2 need to be pulled together within 300msec

    Thanks

    Regards Kim Bak

    Good day! I've seen this happen in the past. I would put a meter on the 24VDC side of the contactor to see if it's maintaining the 24VDC, even once the contactor let's go. It's possible that the safety board is acting up, releasing the 24VDC from the contactor following the motors on request. Are all the safety chains illuminated? Are there any other faults coming up prior to this fault? Once you've verified the 24VDC, you should check the 0VDC side as well. This happened to me once and found a bad contact or a loss of 0VDC. Use a known 24VDC as a reference when checking. Just some things to try.

    Is this an M94A controller? If so, manual is >here<.

    Was this setup running & then suddenly stopped or are you trying to get it running to redeploy?

    If KM2 is not pulling in, then this is an issue with KM2 itself or the Chain 2 (0V) run-chain. Chain 2 is accessed at connector block KT3 row. Double check row 'B' jumpers: 1-2, 3-4, 5-6, 7-8, 9-10, 11-12. Don't assume jumpers are good, pull each one and verify the the were properly inserted and tightened on the wire and not the insulation. KT3 has deeper than normal wire pockets and it's easy to tighten on the insulation if you don't strip the wire back enough. Also don't assume the Chain 2 is good based on the LEDs on the DSQC256A, those LEDs only show status of Chain 1 (24V).

    A bad contact Viperacebb describes is common along with dirty E-Stop contacts. Check the e-stops by cycling the controller and pendant E-Stops about a dozen times each with the power on to help clean the contacts. If it has the old Baco E-Stops, they should be replaced. The replacement numbers are found >here<.

    From previous response:

    Chain 2 is accessed at connector block KT3 row. Double check row 'B' jumpers: 1-2, 3-4, 5-6, 7-8, 9-10, 11-12. Don't assume jumpers are good, pull each one and verify they were properly inserted and tightened on the wire and not the insulation. KT3 has deeper than normal wire pockets and it's easy to tighten on the insulation if you don't strip the wire back enough.

    Reference the prints in the manual in the link in previous response, circuit diagram sheets 7 & 8.

    I troubleshoot the 0V chain by putting the voltmeter (+) on the 24V [XT3-b15 or -B16] and use the (-) lead to follow the 0V thru the run-chain. If in manual mode, you must pull in the deadman to measure, I prefer Auto mode so I don't have to mess with deadman.

    Start at XT3-B5 and if it is 0V, then keep going XT3-B6 up to -B12. You'll find the break in the chain somewhere.

    Kim Bak,

    Have you tried swappipng the motor contractor with a new one yet? If you need spares we have them instock and every other part for all generations of IRB1400 robot including S4 M94. These motor contactors are a common fail item. Its a very unlikely an internal controller harness or wiring issue unless something was recently changed.

    Let us know how we can help.

    Thanks

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