Hot Mtronik ESC

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  • petn7
    Junior Member
    • Jun 2003
    • 616
    #1

    Hot Mtronik ESC

    I'm setting up a dual pump RCABS system with an SES 3 electronic switch to control both pumps (putting air into the bladder and drawing air from the bladder to return to the WTC) and of course, an Mtroniks ESC to power the main motor, receiver, and both stern/rudder servos. The ESC is the Micro Viper Marine 10 or whatever its exact name is.

    Anyways, I believe I've followed the wiring instructions correctly, but when I first plugged in the battery (8 AA NiMH cells), I plugged the battery into the wrong plug (don't ask, just trust me). The ESC got pretty hot and so did the battery - I believe due to the wiring for the SES 3 and the dual pump motors, there was a short circuit. Well, everything still works right now. Servos work, SES 3 and pumps work, and so does the main motor. However, the ESC gets pretty warm even when the electronics just sit there doing nothing.

    Is it possible for an ESC to work perfectly (under no load), yet be damaged? I figured they were like standard light bulbs - they either work or they don't. Any thoughts?
    Tags: None
    • Wheelerdealer
      Junior Member
      • Jun 2006
      • 315
      #2
      Are you making use of

      Are you making use of the BEC on the ESC? That will warm it up.

        Comment

        • Guest
          #3
          Be very carefull if the

          Be very carefull if the voltage regulator in the esc is damaged due to a short it will cause a major smoky failure.It apears to be damaged if it stays hot.
          Change it out right away dont take the chance,I had one do exactly that and later it blew!

          Just my experiance ESCs are not like light bulbs they have complex circuits and if damaged have a tendancy to fail as they are turned on again and again.


          Dave Amur Ship Yard

            Comment

            • petn7
              Junior Member
              • Jun 2003
              • 616
              #4
              Are you making use of

              Are you making use of the BEC on the ESC? That will warm it up.
              Yes, but it shouldn't warm it up this much.

              Most likely I'll need to buy another ESC.

                Comment

                • Wheelerdealer
                  Junior Member
                  • Jun 2006
                  • 315
                  #5
                  Try hooking a separate battery

                  Try hooking a separate battery to your RX and disabling the BEC by cutting/removing the red wire from the ESC to the RX. If it is the BEC part thats faulty you can get a superior separate switching BEC like the one from Dimension for $10.

                    Comment

                    • petn7
                      Junior Member
                      • Jun 2003
                      • 616
                      #6
                      Thanks for the tips, Wheeler,

                      Thanks for the tips, Wheeler, but I already bought a new ESC. While your suggestion might work, I'm trying to avoid having more wires in my WTC.

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