iRobot Roomba 530 Robotic Vacuum\015 The iRobot docks and appears to charge. The light turns green, but when the iRobot is started it runs slowly and then quickly stops as if the battery has not been charged. The power brick is putting out a steady 22V. There is no difference in charging if the power brick is plugged directly into the iRobot unit. Is there something in the charging circuitry in the iRobot itself that could be causing this intermittent problem.\015

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Charging contacts. Dirt or built-up debris may be preventing your robot from charging. Please unplug the base and grab a clean, lightly dampened melamine foam, such as a Magic Eraser to clean the contacts on the robot and base.
Charging time under normal conditions is at least 2 hours. For best results, use only the battery type compatible with your robot and ensure that it is an authentic iRobot Lithium Ion/NiMH battery that comes with Roomba or purchased from iRobot authorized dealers.
At the end of a cleaning job or when the battery is running low, Roomba® returns to the Home Base® to recharge.
For the Roomba`s nickel-based (not lithium ion like smartphones) batteries, it`s best to keep the unit charging whenever you`re not using it. However, don`t leave it in its dock for days at a time — lots of vacuuming will keep its battery healthy.
Recharge your robot as soon as possible following each use. Keep your robot plugged in and charging on the Home Base® or Clean Base™ when not in use. If your robot will not be used for more than a few weeks, we recommend placing the robot in ship mode. and storing it in a cool, dry place.
Solid white: Fully charged. Pulsing white: Charging. Pulsing red: Charging, too low to start cleaning.
Pulsing red:

The battery needs to be charged.

If the charging dock light turns off, it indicates that Roomba is docked and charging rightly. The turning off the dock light will not stay longer. So, there is nothing to worry about it. If you feel or think that something is unusual, you can check the charging status of Roomba through the I-robot app.
Solid white: Fully charged. Pulsing white: Charging. Pulsing red: Charging, too low to start cleaning. Solid red: Error (tap Button for details).
When the battery power gets low, the vacuum starts looking for the infrared signal emitted by the charger. Once it finds it, Roomba follows the signal and docks itself to the charger.
To reset the battery for a Roomba model in the 700, 800 or 900 series, connect the robot to the charger and press and hold the CLEAN button for 10 seconds. When you see blue text reading “r S t” on the display, release the button. You should hear a beeping tone, which tells you the reset was successful.
Roomba® robot vacuums are highly efficient, only drawing power when they`re charging in docks and to ensure uninterrupted connectivity with home WiFi systems. In fact, even if left plugged in all day, Roomba® consumes less energy than the typical upright vacuum cleaner.
Robot vacuums should automatically go to their charging station after a cleaning cycle or when their battery is low. Most robot vacuum cleaners find their charging station with infrared light, but some use stored virtual maps of your floorplan.
Keep your robot plugged in and charging on the Home Base® or Clean Base™ when not in use. If your robot will not be used for more than a few weeks, we recommend placing the robot in ship mode.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

IRobot 530 charges intermittently
ANSWER : Reset the Roomba: hold down “spot” and “dock/demo” for fifteen seconds, then release and listen for the tune. Then charge the Roomba overnight. The next time you run it, the unit should run longer. If not, call support and let them know you may have a battery problem. 1-877-855-8593 (I strongly encourage you to have the Roomba with you if you call.)

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I have iRobot Roomba 4210 and I have a problem with charge battery. The battery is new. When I charging a battery in other iRobot Roomba the battery was full charged. When I charging in my iRobot Roomba the battery was empty. My fast charger is OK.
ANSWER : The charging circuit on the main board is fried. This is a common issue. You need some good electronic repair skills, and equipment, to replace the problem components

Read Full Q/A … : iRobot Roomba 530 Robotic Vacuum

My robot will not charge. Tried multiple resets and new battery from irobot.com (both suggested by Irobot customer service) but got nowhere. The vacuum did work for a short time (until the new partially charged battery ran out). If I bypass the internal charging circuits and charge directly from the charger (with jumpers)
the robot seems to work fine. Unfortunatey, there is no mechanism to turn off the charge cycle, so this is not practical.
ANSWER : Replace the battery charger

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Irobot roomba 530 charging error 5
ANSWER : Click this link for help
http://uksupport.irobot.com/app/answers/detail/a_id/883/related/1/?cc=uk

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Irobot discovery Hi, My irobot discovery charges fine, shows green (fully charged), starts running and flashes amber, then finally after about ten minutes stops and shows sold red.
ANSWER : It sounds like the battery is shot. These batteries only work for a couple of years and then they won’t accept a charge any more. A common mistake people make is recharging them before they need it. This will make the battery “lazy”
.Contact the manufacturer for more info.

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Irobot 530 won’t start
ANSWER : Have you tried reset, press spot and dock together

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I have some charging issues with my 530 roomba
ANSWER : Yep, new battery time.

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4210 and 4230 won’t charge-new batteries.
ANSWER : I’ve been having the same problem myself. The charger is apparently built into the roomba main board. From what I’ve read there are two MOSFETs U2 & U4 that can go out and require replacement to fix the problem. More info here
.http://www.robotreviews.com/chat/viewtopic.php?f=1&t=3909

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