Lincoln 180
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Thread: Lincoln 180

  1. #1
    Join Date
    Mar 2015
    Posts
    14

    Lincoln 180

    Hi I have a Lincoln 180 (2 years) that has been great up until now. It seems the duty cycle cut off has gotten shorter and the transformer?? is starting to hum like a buzz box before the arc becomes unstable and sputters to its thermal cut off range which seems way less than what it was. I am thinking transformer windings have over heated and are shorting out? I have run it on all settings A. B. C. D etc... with the same result, unstable arc leading to a thermal cut off. Any help would be appreciated and any info on getting parts for this model as well

  2. #2
    Join Date
    Nov 2005
    Location
    Nashville, TN
    Posts
    3,098

    Re: Lincoln 180

    Is your fan running?

  3. #3
    Join Date
    Mar 2015
    Posts
    14

    Re: Lincoln 180

    Quote Originally Posted by tapwelder View Post
    Is your fan running?
    Yes Fan is running tip has been changed liner cleaned with compressor wire feed seems consistent

  4. #4
    Join Date
    Nov 2005
    Location
    Nashville, TN
    Posts
    3,098

    Re: Lincoln 180

    120v or 240v. No homemade extension cord or adapter?

    Is not under warranty? Lincoln is helpful. This may be an issue they are familiar with.

  5. #5
    Join Date
    Mar 2015
    Posts
    14

    Re: Lincoln 180

    240v proper dedicated receptacle I am not sure about the warranty I guess I should check never had much luck with claiming anything on warranty. But I will check thanks

  6. #6
    Join Date
    Jun 2012
    Location
    Bemidji MN
    Posts
    13,400

    Re: Lincoln 180

    How often have you been hitting the thermal cut off leading up to this problem?

    In my understanding, the thermal cut off is also referred to as an over temp safety - meaning you've exceeded the duty cycle.

    Repeatedly hitting an over temp situation could do a couple things.
    It could shorten the machines life and lead to this situation.
    Or, it could be the thermal switch/sensor has become too easy to trigger - like an electrical panel breaker that's been tripped too many times.

    These are just my opinions based on my understanding, an actual repair tech may disagree with me.

    I agree with the advise already given, call Lincoln.
    Dave J.

    Beware of false knowledge; it is more dangerous than ignorance. ~George Bernard Shaw~

    Airco 300 - Syncro 350
    Invertec v250-s
    Thermal Arc 161 and 300
    MM210
    Dialarc
    Tried being normal once, didn't take....I think it was a Tuesday.

  7. #7
    Join Date
    Dec 2007
    Location
    Los Angeles
    Posts
    7,219

    Re: Lincoln 180

    Lincoln has a standard 3 year warranty on that machine. Time to call them fo' sho.
    Ed Conley
    http://www.screamingbroccoli.com/
    MM252
    MM211 (Sold)
    Passport Plus & Spool gun
    Lincoln SP135 Plus- (Gone to a good home)
    Miller 125c Plasma 120v
    SO 2020 bender
    Beer in the fridge

  8. #8
    Join Date
    Jun 2016
    Location
    Not there
    Posts
    2,489

    Re: Lincoln 180

    Get on the phone with Lincoln. They're easy to deal with. The meatheads that retail them ? Not So Much

  9. #9
    Join Date
    Mar 2011
    Posts
    120

    Re: Lincoln 180

    I think it must be very rare to Have problems with the Lincoln 180 mig,
    they seem to run for ever.

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