jski
New Member
Posts: 18
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Post by jski on Oct 27, 2023 1:21:18 GMT
Hey Norman, still dont know much about the multimeter, Im wondering about the scan /off / operate switch with the resisters, it connects to the control box, and i beleave one of the micro switches, could this perhaps be the problem ? the trip coil in the control box works when i do it manually, brakes the carriage and starts the gripper process,i think its worth a try, will let you know how i make out,,,,jski
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Post by jukenorman on Oct 27, 2023 9:31:40 GMT
If you're going to do logical fault finding, you need to do what I suggested previously (or a variation of that theme) to narrow the cause. That would pick up whether a micro switch was the problem. Rather than changing out the scan switch - which won't be the problem - your time would be better spent learning the basics of how to use your multimeter.
Norman.
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jski
New Member
Posts: 18
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Post by jski on Oct 29, 2023 21:19:49 GMT
Ok norma.n ,im reading 0 on the trip coil,(if im doing it correctly,,, jim m.
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Post by jukeboxmarty on Oct 29, 2023 22:59:47 GMT
Can you identify the "interlok trip coil"? If so, turn your jukebox off with the carriage contact block above a selector pin in the selected position. In that position you should read 60 ohms from one side of interlok trip relay coil to ground (the other side will read more because of the resistance of the coil, but measure that as well). The other side of the interlok trip coil (not the 60 ohms side) should read 0 ohms to the 33VDC rail which you can find at the common of #2 micro switch (red/blue wires). Refer to the schem-a-gram on page 44. Report back with your findings. Norman. Ok norma.n ,im reading 0 on the trip coil,(if im doing it correctly,,, jim m. Norman asked you for more than one reading. You're getting 0 ohms between which two test points? What about the other requested measurements?
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jski
New Member
Posts: 18
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Post by jski on Oct 30, 2023 19:09:25 GMT
0 on both  |
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Post by jukenorman on Oct 30, 2023 20:08:28 GMT
Hi Jim,
Actually I asked for three readings! There are probably about eight items that could be preventing the interlok trip relay from energising and we are trying to help you to find the culprit. In order to do that, you have to play your part and provide credible meter readings. I doubt that the two readings of zero are credible but the third reading would help.
Can you confirm that you are using your meter on the resistance range? Can you also tell us which exact point you are placing your meter leads for each reading? Give us a full explanation so that we know what you are doing!
Norman.
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jski
New Member
Posts: 18
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Post by jski on Nov 2, 2023 11:31:27 GMT
Hi, norman, sorry im not on the ball with this, i know you are trying too help me, my wife is sick and i dont have alot of time to work on the box, i dont know where exactly im supposed to put the leads on the trip coil, what color wire ? Is the box plugged in with power switch in the back off, scan switch off ? I did notice one thing, when i do move the scan switch to the operate position after trying to test the trip coil it pops the breaker, i have to move the arm off of the pin for it not to trip the breaker, so i imagine something in the circuit is causing it |
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Post by jukenorman on Nov 2, 2023 15:00:50 GMT
Hi Jim,
Apologies if I appear to be hassling you! You take some time out, look after your wife and come back to this only when you're ready. In any case, the tripping of the circuit breaker that you have just described looks like it might be adding another complexity to what is already a difficult situation!
Norman.
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jski
New Member
Posts: 18
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Post by jski on Nov 10, 2023 3:58:49 GMT
Changed the complete scan/off/operate assembly, all is well, works like new, thanks for all your help,,,jski,,,,,,
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Post by jukenorman on Nov 10, 2023 11:37:13 GMT
Glad you got it fixed! Don't forget to persevere with the multimeter, you never know when you might need it next!
Norman.
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