Check wiring diagram to see if it has a bridge rectifier. My 120 had one and it was bad which would not let the feed motor run. It cost me about $6.00 to replace from Ebay.
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Question edited for clarity. 'Karcher not 'Kracher', add (what it is).
Question moved from Washing Machines category.
It sounds like the contactor has failed internally. This often happens that the internal contacts arc and burn away. The click is the electromagnet still working. Take it off and test it, or leave it on and test the output for continuity once energized.
It is a professional pressure fryer, get it professionally serviced. The arcing is probably an internal contactor and the grinding some type of electrical solenoid lock or the filter pump. Very dangerous and work on 3 phase power.
There are several things that could cause this:
1. The relay (contactor) that switches on the arc is not closing and it could be bad.
2. The diodes in the power supply are bad.
3. The low voltage transformer is bad.
It could be the circuit that supplies the current that closes the contactor. You need to check the switching circuit with an ohm meter, the contactor coil with the ohm meter and finally the voltage on the contactor coil..
You didn't say and an internet search is vague about whether it is a MIG welder or not. You said it won't arc which sort of suggests it is a stick welder...
Assuming it is a MIG, they are full of electronics and mostly very reliable but sometimes something on one of the boards dies and it will need an experienced person to sort it out. You say it runs like a top which could mean anything from the cooling fan running to it actually pushing wire through the torch at various speeds and switching on the gas valve when you press the trigger. If that doesn't happen it would be worth checking the Euro torch internal wiring and connections. If that does happen do you hear the contactor close? A few welders have been produced that used big SCR's instead of a contactor but they are few.
If the contactor is closing and everything else seems to be working, there is probably no output from the transformer...
A more comrehensive description would have been helpful.
Had same problem K-Star 10 both contactors, Check all your connections, I found 2 loose. If the contactor closes and can't get enough power the voltage drops, contactor starts to chatter. Loose connections also cause arcing and fires. The manual says do not store clorine in the same room.
I took the contactors out, to the bench, applied 208volts to the coil and beat on them till they stopped acting up. Put them back and they work. They are very ugly on the inside I will replace them as soon as I can find new ones on Monday..
Why not get a 24 volt definite purpose contactor and connect it to power? Use a transformer to open and close the contactor and then you can use a low voltage 2 wire el cheapo wall thermostat to turn on the heater?
Sounds like your contactor has welded shut. Everytime your condensing unit turns on, you'll have a an arc of electricity across the contactor. Over time, the arcing causes to contactor to become covered in cardon. When it gets to a certain resistance across the coil, it will weld shut and the comressor and outdoor fan will run forever until the bad contactor gets replaced. If you know what a contactor is, it's a simple fix and the price is about $20 bucks. If your unsure about replacing it yourself, by all means can an HVAC contractor to replace it. 240 volts is not something you want to mess with unless you know what you are doing
wityh what little imfo you gave I would first go to the main contactor ,turn unit on pull gun trigger see if the contactor pulls in.that is where primary power comes from to create arc.
Trigger the wirefeeder while listening for the contactor on the CP302 to close, if it does start looking for loose, bad or missing ground connections to the work, then look for the power connection from the CP302 to the wirefeeder to be bad. If the CP302 contactor doesn't close look at the control cable between the wirefeeder and the CP302, try a different one if possible. If you hear the contactor close, and everything else is good, check the voltage at the CP302 output terminals to see if you may have a bad contactor.
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