XV-21 wont turn on, new charger model?

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Re: XV-21 wont turn on, new charger model?

Postby Gourd » December 29th, 2012, 5:24 pm

Unfortunately, I'm having the same problem as stated by the OP with my recently purchased XV-12 from Walmart online.

The power LED on the brick lights up, and the Neato's LCD display briefly flickers entirely in contrast, but nothing further happens. Either with directly plugging it into the Neato, or using the docking contacts.

I'll have to give support a call when I get back in the new year, as I'm going to be away from home for a while. A bit disappointed since I was going to have this second neato clean the second floor in our recently purchased house while we were away. C'est la vie.

Once I get more info, and have a chance to jot down details about the Neato, I'll report back. In case it helps anybody else.
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Re: XV-21 wont turn on, new charger model?

Postby a4refillpad » January 14th, 2013, 5:53 am

A newer powerbrick in an old base clearly works. Readouts on a DVM also indicate the identical output from the base. Not sure why neato claim otherwise.
current bots: Clebo Arte, Vorwerk VR-100 (one broken one new), Neato XV-25, Neato XV-12, Roomba 564, Evo Mint 2, Roomba 770, Hauzen VC-RE70V, Samsung SR8980, Karcher RC3000, Robomow RL350 (lawnmower)
previous bots: Samsung SR8845, Neato XV-15
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Re: XV-21 wont turn on, new charger model?

Postby c.mueller » January 14th, 2013, 5:59 am

As neato pointed out it is not the powerbrick, it is the base that makes the difference...
neato XV-15
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Re: XV-21 wont turn on, new charger model?

Postby a4refillpad » January 14th, 2013, 6:00 am

No, I have both and I can tell you it's not.
current bots: Clebo Arte, Vorwerk VR-100 (one broken one new), Neato XV-25, Neato XV-12, Roomba 564, Evo Mint 2, Roomba 770, Hauzen VC-RE70V, Samsung SR8980, Karcher RC3000, Robomow RL350 (lawnmower)
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Re: XV-21 wont turn on, new charger model?

Postby NOKIA_LMT » March 10th, 2013, 7:12 pm

Sorry to bump this old thread. Has anyone a chance to get a separate PSU, which is compatible with "newer" Neatos? If yes, where? I'm in the same boat: have an additional dock, which doesn't work anymore, since I got Neato replacement (ver. 3.0).
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Re: XV-21 wont turn on, new charger model?

Postby a4refillpad » March 10th, 2013, 10:09 pm

Sorry no, I never did. However, I have used the newer powerbrick supplied with my xv25 on my older docks with no issues contrary to "official" advice.
I've seen powerbricks being sold on ebay. I would assume these are of the correct specification to serve newer devices as most current neato stock would be of the rev64 variety. Otherwise they would be incompatible and garner a lot of returns.
current bots: Clebo Arte, Vorwerk VR-100 (one broken one new), Neato XV-25, Neato XV-12, Roomba 564, Evo Mint 2, Roomba 770, Hauzen VC-RE70V, Samsung SR8980, Karcher RC3000, Robomow RL350 (lawnmower)
previous bots: Samsung SR8845, Neato XV-15
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Re: XV-21 wont turn on, new charger model?

Postby NOKIA_LMT » March 11th, 2013, 2:19 pm

Ok. Thank you very much for a quick response. What do you think about this power brick? I found it recently and at first look it is fully compatible with newer power bricks found in ver.30 dock stations: http://www.tme.eu/ch/details/gs40a24-p1 ... ean-well/#

If I'll be unable to find "original" one, perhaps I'll try to get one of these.
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Re: XV-21 wont turn on, new charger model?

Postby glnc222 » March 11th, 2013, 3:10 pm

Customers need to know the charging base is not simply a wiring connection from the power brick to the robot -- which is how it looks. It includes some charge regulating circuitry interacting with the bot. The power brick and base should usually be bought together as a pair. It is rare for powerbricks to fail being so simple.

Recent Neato models have a revision in both the bot and the base for some purpose not revealed by the company, with backwards compatibiliity with older bots, but not the reverse -- old bases not good on newer bots. They have also not clearly identified which models go with which bases, as the detailed unit numbers instead of just model numbers can be involved.

Compatibility of newer, lower current power bricks with older bases is a separate issue, and not really the main one, since the parts should be bought together.
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Re: XV-21 wont turn on, new charger model?

Postby bahamasboy » June 23rd, 2013, 5:56 pm

Through experimentation (and dissapointment) I can attest that the base (not the brick) is what regulates the ability to charge. I created a DIY charging base with reflective tape, spring loaded positive and negative "docking bars" and the brick out of my XV-21 base. My bot finds and backs up to the base w/o any issues. It shows that it's charging, however it will NOT charge when getting current directly from the brick thru the "docking bars". All I can say is DAMN!!! Since we can't buy extra docking stations from Neato and there is a stong possibility of buying an incompatable dock from Ebay etc., it appears we're stuck moving the base from floor to floor, or section of the house to another. My vac will NOT clean my entire first floor on the 3-charge limit. I talked with CS and the rep told me that there was NO 3-charge limit per cleaning cycle! ----- Seems Neato CS doesn't even know how their product works. I've sent a request for consideration in their next software upgrade to allow the USER to determine the necessary number of charges for their situation. If you are having the same issues.. I suggest you make the same suggestions on their "Contact" page.

Love all the info you're all putting into these threads! You're saving me a lot of time trying to make my vac more suited to my situation.
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Re: XV-21 wont turn on, new charger model?

Postby glnc222 » January 10th, 2014, 2:54 pm

HQRP vendor of Neato replacement batteries now lists (January 2014) replacement power supply bricks in the newer 1.5amp size under $10, Amazon
http://www.amazon.com/HQRP-945-0005-205-0001-Signature-All-Floor/dp/B00GJKW4YA/ref=sr_1_2?ie=UTF8&qid=1389379684&sr=8-2&keywords=Neato+XV+charger
Whether those work to charge in old docks originally with 2.5 amp bricks don't know. Very possible.
The charging system revision could be internal to the Neato vacuum only, with docks unchanged apart from supplied brick.
(The brick still delivers 2amps at 24v for charging; 1.5 amps is line power.)
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Re: XV-21 wont turn on, new charger model?

Postby a4refillpad » January 10th, 2014, 10:07 pm

Contrary to advice previously given by Neato on this forum I used a newer power brick in an old dock for nearly half a year with no issues at all. The reverse of using an old brick in a new dock would not work.
current bots: Clebo Arte, Vorwerk VR-100 (one broken one new), Neato XV-25, Neato XV-12, Roomba 564, Evo Mint 2, Roomba 770, Hauzen VC-RE70V, Samsung SR8980, Karcher RC3000, Robomow RL350 (lawnmower)
previous bots: Samsung SR8845, Neato XV-15
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Re: XV-21 wont turn on, new charger model?

Postby yyzdnl » February 21st, 2014, 12:34 pm

I'm reading through this thread since I am tired of moving the charging base up/down stairs, and want to make sure I have the best chance of picking up a compatible base on E-bay. What do I find, but my base doesn't match either the old or new styles mentioned in this discussion.

Neato XV-21 purchased at Amazon 10/24/13, Board v64, Software v3.2
Base Part# 910-0089
Output DC24V @ 2.0A

I am assuming if I find one of the 24V @ 1.67A bases it should work with my robot but I thought I would throw my info out here and see what others thought. Any suggestions?
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Re: XV-21 wont turn on, new charger model?

Postby vic7767 » February 21st, 2014, 2:01 pm

It seems that if the charger current is kept below 2 amps it should work.
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Re: XV-21 wont turn on, new charger model?

Postby cdalexcracer » August 22nd, 2014, 9:57 pm

I have an XV-21, reconditioned from Amazon with the 1.67A Tpi power block. It wouldn't charge by directly plugging in, so I taped a wire to each contact and it actually started charging directly from the power adapter to the Neato.

Software 3.2xxx, dark grey cover. Apparently it also has some protection against reverse polarity, because I hooked it up reversed first for about 2 seconds.

Top bar on the XV-21 is positive, bottom is negative.
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