Question about Electronics - Others
My inverter won't turn on after a major lightning. How can you help?
Posted by Anonymous on
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Posted on Jan 02, 2017
Officially Xantrex has the position of Note: In order to protect our intellectual property,
Xantrex does not release schematics, part lists or wiring diagrams to
the public. Xantrex does not sell internal parts to the public. If you
need an internal part replaced, your inverter will need to be serviced
by an Authorized Service Center or at the Xantrex factory.
So your options are to ship it to an authorized Xantrex repair depot, or reapair it based on electrical knowledge in general
If you decide the latter approach, you have to see if there are any IC's or other semiconductors you can identify. If they are true sine wave inverters- the wave form genesis is what counts- you will have to locate the low frequency oscillator, if it will power up and you have an oscilliscope. you can see if the waveform genesis is a square wave originally, triangle wave or a sine wave. essentially move through the traces to see where the signal goes away. your failure point will be close.
If the original waveform is sine wave, applying class A, AB or B audio amplifier principles should allow you to effect repair.
If the original waveform was square wave or triangle wave- the wave form is shaped by an LC network. Depending on what sized Capacitors and inductors are inside of the cabinet will determine where the sinewave form was achieved. If they are physically small, the waveform was shaped off the Pulse Width modulation circuit, audio amplifier principles should apply in the circuit trace and troubleshooting with the scope.
if they are physically large- the waveform is shaped at the output device(s) Usually an IGBT or power darlington..
If you are working with a modified sine wave inverter, the principles and block diagram is similar to a Class D audio amplifier or a crude AM transmitter with none of the pass filters (oversimplification perhaps)
this ought to be either enough of a start or enough of an outline for you to determine how you want to proceed.
Posted on Jan 04, 2012
SOME MOTORS HAVE TROUBLE, starting on Modified sine wave power. Grundfos is a high quality unit, you could try an other motor driven load to see how it is handled by your power supply.
Posted on Nov 18, 2012
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Sep 07, 2015 | Electronics - Others
May 13, 2012 | Xantrex Technology DR3624 Inverter/Charger
Apr 08, 2012 | Xantrex Technology DR3624 Inverter/Charger
May 09, 2011 | Xantrex Technology Xantrex 458 10 12...
If your product requires troubleshooting or warranty service, contact your
If you are unable to contact your dealer, or the dealer is unable to provide
service, contact Xantrex directly at:
Direct returns may be performed according to the Xantrex Return Material
Authorization Policy described in your product manual. For some products,
Xantrex maintains a network of regional Authorized Service Centers. Call
Xantrex or check our website to see if your product can be repaired at one of
What proof of purchase is required? In any warranty claim, dated proof of
purchase must accompany the product and the product must not have been
disassembled or modified without prior written authorization by Xantrex.
Proof of purchase may be in any one of the following forms:
• The dated purchase receipt from the original purchase of the product at
point of sale to the end user, or
• The dated dealer invoice or purchase receipt showing original equipment
manufacturer (OEM) status, or
• The dated invoice or purchase receipt showing the product exchanged
Telephone: 1 360-925-5097
Fax: 1 360-925-5143
The owner's guide is here:
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