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Apc 1500 avr relay weld

Avr relay weld

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SOURCE: Apc relay welding

Hi and welcome to fixya
sir please elaborate your problem i cant get it for what problem you are looking for a solution

Posted on Dec 08, 2012


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I have problem on elemax shw190 generator welding machine, the problem in not giving enough power for welding. Wishing for your help thanks

It will be either the Amp selector switch is starting to fail or the AVR. I would start by checking the switch is not showing signs of burning. (You can order a replacement here>>

If you are not getting the correct voltage to the electricity plug sockets then it is most likely the AVR. This can also show up as a surge in voltage as well as low Voltage results.

Hope this helps! :)

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1 Answer

Cannot get my gx 620 preditor welder to slow down after welding

I'm going to presume you mean the wire feed does not stop? If so, the problem is in the motor relay which operates on the trigger along with the weld power since most MIGs do not have OCV on the tip until the trigger is depressed. Keep in mind that, besides failure to open, some relays can be held closed due to current leakage or a faulty ground on the electromagnet coil. The issue is like this... your wire feed relay is in parallel with a larger relay to switch on the primary power of the weld transformer. The larger relay is grounded to the same chassis as the ground of the weld output. Because of a failed diode/rectifier that output can include a low voltage AC or half-wave that will bleed across to the motor relay, keeping it on indefinitely. If this is the case, sticking the ground clamp onto an earth grounded water pipe may stop it. If it does, fix the diode or ground connection. Also check the ground of your power cable. The 24vac control voltage transformer should also be checked for ground to the welder chassis.

Aug 19, 2014 | Welding Tools

1 Answer

1300/1500 relay welding error and how do I fix this?

Replace the relay. If relay is already welded the best option is to replace it directly.

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How to reset denon avr 1913

Is thereany sign of power? relay click or anything?

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1 Answer

APC SmartUPS X (SMX1000)- "AVR Relay Weld" error message

I had this exact problem after a major power out: Fault, call support: AVR Relay weld.
I fixed it by resetting the UPS: Remove battery connect at rear of UPS (it is marked, just unplug the bat connect tab). Plug the UPS back in, and then turn on. Let it power up... it will tell you it needs a battery. Next, power it down and unplug. Plug the batter connect back in (see rear). Plug in the UPS.. power up. Presto.. it is reset. If it is NOT reset, there may be a real 'relay weld'.

May 13, 2013 | Computers & Internet

1 Answer

No or little ac output

By ac you mean receptacles, not ac welding? 
If so what about welding output on AC (DC)?

If welding is OK then you may have breaker or fuse problem.
If welding output is also low or no output your problem is the generator.
You should check your gen rpm to be normal. If so you may have field problem: rectifier, AVR etc.
If you can measure the field DC voltage at rated rpm, if it is missing (very low) try to find any circuit broken.
If you do not succeed answer this instruction in order to give you more.

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1 Answer

Only 4, volts out 110v output socket,&8,volts out of240v socket on sincro180ew welde/gen, any suggestions!

check the carbon brushes and the avr if brushless and no avr check capacitor and diodes on the armature

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1 Answer

SA250 Diesel welder starts but will not arc and cannot weld

brush brushes worn /sticky
brushless AVR board

Aug 25, 2009 | Welding Tools

1 Answer

Blower won't shut off on a 98 dodge intrepid.

you'll have to find the "relay bank" which may or may not be near or in fuse panel, its possible its under the hood by the passenger side firewall, the fan relay has "welded" its contacts and thats why it wont shut off by the switch,find the right relay and unplug-it that should stop the fan,then give the relay a rap or drop on ground,sometimes tyhat will un-weld contacts and replug in and see if it works again,if it does get a new relay cause most likely it will weld again later(contacts are shot)

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