Roomba 595 not charging on dock?

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Roomba 595 not charging on dock?

Postby leonicholson » April 2nd, 2018, 5:18 pm

One of my Roomba 595's charges fine when directly plugged in, but not on the charging dock.
The dock is ok, as my other Roomba will charge on it without any problems.
I have cleaned the contacts.
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Re: Roomba 595 not charging on dock?

Postby a1robotrepair » April 2nd, 2018, 6:11 pm

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Re: Roomba 595 not charging on dock?

Postby leonicholson » April 2nd, 2018, 6:27 pm

Thanks, got it.
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Re: Roomba 595 not charging on dock?

Postby leonicholson » April 2nd, 2018, 9:55 pm

Further.

When I press Dock, the Roomba docks, but then spins and goes away.
When I use another Roomba, it docks correctly.
I've tried three different working docks with same end.

The Roomba will charge with the input jack, but something is screwed up with charging from the dock pads.
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Re: Roomba 595 not charging on dock?

Postby vic7767 » April 2nd, 2018, 10:06 pm

The charging pads are OK. The jack on your Roomba is defective. The normally closed contact within the jack is full of dust and debris and is in effect electrically open. This makes the home base sense that there is a power supply connected to the Roomba charging jack and therefore will not switch on the home base charging FETs. Replace the dc charging jack on your Roomba.
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Re: Roomba 595 not charging on dock?

Postby a1robotrepair » April 2nd, 2018, 10:12 pm

There is a mechanical lever switch in the charging jack. It has failed. When working correctly it connects the charging plate to the battery. When the charger is plugged in to the side of the bot, it disconnects the charging plate from the battery. Your has failed open. A very common problem.
In my opinion, you should never plug the charger into the bot. That is the main cause of this problem.
Some have suggested taping over the bots charging jack.
The piece you purchased.
Thanks Ed.
You beat me to it!
Leo, your going to have to remove your bumper and chasis cover to change it out.
Let us know if you need help when you get the part.
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Re: Roomba 595 not charging on dock?

Postby leonicholson » April 3rd, 2018, 12:24 pm

Found this video.
Do you have to remove everything as shown?

https://www.youtube.com/watch?v=UE1KwIxWIFY
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Re: Roomba 595 not charging on dock?

Postby a1robotrepair » April 3rd, 2018, 2:22 pm

Hit the easy button. Start here.
IMG_1697.JPG

Remove Bin and top trim. To remove top trim start at bin area with fingernails prying trim toward front and continue toward front.
IMG_1698.JPG

Turn bot over, remove side brush, bottom cover, battery, 10 bottom bumper retainer screws and 2 Omni screws. Put screws in a container...bumper screw set.
IMG_1699.JPG

Turn bot over, remove 11 chasis cover screws and chassis cover. One screw is different than the others bot center to bin. Put screws in separate container...chasis screw set.
Remove buttons trim 3 pieces, place outer trim, clear center trim and numbers film upside down on chasis cover in hole they came out from.
Remove 4 button screws and button actuator. Place screws in separate container or back in actuator. Place on top of buttons trim.
Remove old jack with 2 fingernails on each side of jack plastic connector from circuit board. Remove jack retaining screw and jack. Put new jack in and reassemble.
I suggest brushing the inside of bot, front bumper and modules with a soft clean paintbrush.
IMG_1700.JPG

IMG_1701.JPG

Orientation of Omni retainer.
The top Omni only goes one way, in a slot.
IMG_1703.JPG
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Re: Roomba 595 not charging on dock?

Postby a1robotrepair » April 3rd, 2018, 3:02 pm

Unused 655 factory return fixed! Button stuck, easy one. Now it gets a new box and a new cover. It's now refurbished.
IMG_1704.JPG
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Re: Roomba 595 not charging on dock?

Postby leonicholson » April 3rd, 2018, 3:09 pm

Nice, and thanks for the repair photos.

I kinda look forward to repairing mine, as I need to become more familiar with its innards. :)
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Re: Roomba 595 not charging on dock?

Postby leonicholson » May 10th, 2018, 3:11 pm

Finally got around to replacing the charging jack. Before, the thing ran normally, would only charge through the jack.

Now it appears to charge on the charging dock, but I've screwed up something. It just cycles through err messages. Any ideas before I tear it down again?
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Re: Roomba 595 not charging on dock?

Postby Brett » May 10th, 2018, 9:11 pm

Can you post a video? That pic is not clear at all!

Have you put the black text film that goes under the dark centre trim (around the central button cluster) upside down? This might explain why the red time/error figures are weird.

Video is needed to look at "cycles through err messages"...

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Re: Roomba 595 not charging on dock?

Postby leonicholson » May 11th, 2018, 10:29 am

Many thanks to a1robotrepair for the guide.

Tore it back down. The new charging jack connector wasn't making good contact. Jiggled it about and all is working now. No flashing Err messages, goes to dock, charges.

It just left the dock, vacuumed for 90 minutes and returned to the dock for charging. :)

This is one of a pair of 595's that I bought on Ebay to gift to family members. The other one had no problems (lives at my granddaughter's) and this one is ready for its new home. :)
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