Question about Mint Plus Automatic Floor Cleaner with Charging Cradle - Model 520

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Mint plus will only run for 2 to 3 minutes. Will beep 6 times, power light solid red then turn off. You can turn it back on and it will do the same thing. Sounds like I need a new battery, is that it?

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Yes, 6 beeps means you need a new battery. And you may as well get a 3000mAh for increased running time.

Posted on Dec 14, 2016

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1 Answer

When is the DC16 red light supposed to change to green?


You can see the manual for the DC16 here: (
https://www.dyson.co.uk/medialibrary/Files/Dyson/Support/downloads/UK/floorcare/Manuals/dc16_uk_manual_cb_120710%20pdf.pdf )

Following the troubleshooting manual on page 6, fully charging the battery takes about 3 hours, for a run time of 6 minutes, so I'm not sure where 10 minutes comes from. The battery ships partially charged and was supposed to have been charged 3+ hours before a first use to get a full cleaning span.

It's also noted that you can get red lights if the temperature is out of an optimal range, and if the filter is not seated properly, so these would be things to check as well.
On the general checking list - look at the contacts for the battery and for the charger, make sure nothing is bent or corroded. Corrosion can be generally treated with use of some fine sandpaper or steel wool - be sure to blow the area clear of any steel wool fibers if you go that route. A better electrical contact sometimes will allow charging to get above a threshold voltage that will let the 'I'm charged' light turn green.

Good Luck! :-)

Jul 20, 2014 | Dyson DC16 Root 6 Bagless Handheld...

1 Answer

Why is there a red light


Is the red light blinking? Are there any beeps or tones? If so how many beeps?

Jul 07, 2014 | Mint Automatic Floor Cleaner

1 Answer

Why roomba clean for 2 minutes then returns to dock?


I suspect the battery is about dead. It keeps coming back for more power.


Run it away from it's charger, force it to run until it dies. Put it onto it's charger and let it charge a long time (Solid green light). Then run it again till it dies and repeat. This will perhaps force the battery to develop a longer memory

May 09, 2014 | iRobot Roomba 4210 Bagless Robotic Vacuum

2 Answers

New Roomba Battery Not Holding Charge - charged once then died


It is possible for the charging system inside the roomba to call it quits. What I did to remedy this, since my roomba was out of warranty and I did not want to scrap it, was to buy a charging base on ebay. This charging base accepts different types of roomba batteries and even the scooba battery. The inconvenience is if you have a newer model roomba that has the battery inside, then you will need to remove the screws on the bottom plate to remove the battery. Hope this helps.


new-roomba-battery-not-holding-charge#solution-section-qgwpio3es2ee0iuiltq5rfxr-1-0.jpg

Jan 23, 2014 | Roomba Robotic Floor Bagless Vacuum

2 Answers

Mint Plus Turbo Charging Cradle won't function properly


Cradle and contacts are fine. Cradle circuit is nothing but a reed relay and few wires, relay closes on proximity to robot's body, therefore no voltage on contacts before robot is close to cradle.
There is a thermistor inside of battery, and mine was bad. I removed it and now I am charging the battery from my bench power supply at about 220 ma current, overnight, and it works. Probably the solution is to get a new replacement battery, but the one with the thermistor inside (OEM), easily recognized by the third wire, and all should be fine, assuming that nothing else is wrong with charging circuit or power adapter (12v/1A)
Hope this will give you some ideas of where to poke.
Once successful, please post your solution.

Jan 19, 2013 | Mint Plus Turbo Charging Cradle

1 Answer

What are these 2 blinking lights on my irobot roomba?


"The Charge Indicator Light is located immediately to the right of the power button on Roomba Red and Roomba (sage). On Roomba Discovery and Discovery SE, the Charge Indicator Light is incorporated into the power button. Please refer to the table below to determine what the Charge Indicator Light is telling you.

* Pulsing Amber - Charging
* Green - Fully Charged
* Amber - Partially Discharged
* Red - Almost Fully Discharged
* Flashing Red - Fully Discharged"
At the end of a cleaning mission, Roomba will tell you if it has successfully completed it's mission or not:

GREEN = MISSION COMPLETE

YELLOW = MISSION ABANDONED (Check robot's brushes, etc.)

YELLOW RED POWER BUTTON = BATTERY DEPLETED (Scheduler Models)

RED YELLOW POWER BUTTON = BATTERY DEPLETED (Discovery Models)
number of beeps after ?uh-oh? :

No beeps: A wheel is stuck or is not touching the ground. Pick up the robot, place it down securely on the floor and touch the clean button to restart the cycle.

1 beep: The main brushes cannot turn. Turn over Roomba and remove the brush guard by pushing the two yellow tabs. Remove the brushes, clear any obstructions, and replace them again.

2 beeps: The side brush cannot turn. Turn over Roomba. Look to see if something is wrapped around the side brush. Remove the side brush with a screw driver and check for string or hair that may be wrapped around it.

3 beeps: The vacuum cannot run Remove and empty Roomba?s bin.

4 beeps: A wheel motor cannot run Your Roomba may be stuck or something may be wrapped around a wheel. Look for something wrapped around the wheels. Push them in and out and make sure they turn easily.

5 beeps: The cliff sensors have failed or are blocked. Turn over Roomba and clear any debris that might be caught underneath the front bumper in the cliff sensors. You can also use compressed air to clean them out.

6 beeps: Wheel obstruction or robot attempting to drive over an obstacle. Turn over Roomba and remove any obstructions that prevent the wheels from seating all the way up into Roomba?s body. Also, remove any obstacles that Roomba could drive over.

7 or 8 beeps: Not applicable Roomba?s beep codes do not include 7 or 8 beeps. If you are getting an error with 7 or 8 beeps, try counting again or contact iRobot Customer Care.

9 beeps: Sensor error Please contact iRobot Customer Care.

10 beeps: Roomba is stuck Pick up Roomba and start it again somewhere else. Use a virtual wall or other barrier to keep Roomba away from the
place it got stuck.

Your Roomba may be experiencing an issue where the battery is deeply discharged and may need to charge longer than the standard 3 hours. (or 7 hours if you have a standard charger)

Even with the charging light showing green (this indicates a fully charged battery) the robot is still charging. If your Roomba exhibits behavior where it charges for a short time then runs for a short time you will need to do the following.

1. Plug the charger into Roomba (if you have a home base be sure to plug directly into Roomba instead of using the home base, this will ensure the robot's charging cycle is not interrupted.)

2. After the Roomba's charging indicator goes to solid green please keep the Roomba on the charger for an additional 72 hours. (3 days)

3. After the 72 hours (3 days) has passed, turn your Roomba on and begin a normal cleaning cycle. If this works successfully it may take several uses for the battery to get back up to the performance it once had.

If this does not correct the problem, please call customer support at 877-855-8593

Nov 22, 2012 | Vacuums

2 Answers

I starts and tehn stops and beeps three times. I can start it aain and it will run but then it does the same thing'


Hi,

TYhe iRobot Roomba has different model designations. Here is a webpage with a list of what the beeps mean in the 400 series. I am thinking that is what you have. 3 beeps means the dirt cup is dirty, filters are dirty, or debris in collecting and it needs to be cleaned.

Here is the webpage: http://uksupport.irobot.com/app/answers/detail/a_id/1047/kw/iRobot%20Roomba%20Discovery%20SE%20Bagless%20Robotic%204200%20series%20Vacuum%20beeps%203%20times/related/1

Hope this helps. If it does, I would appreciate a vote. Thanks,

Handie Andie

Apr 01, 2011 | iRobot Roomba Discovery SE Bagless Robotic...

1 Answer

Can not charge thr battery


bbaker58,
When you press the "clean" button after charging, does the Roomba give you any audible tones? Those tones are the key to understanding failures in the 400 series. See chart below to decode those tones
If you get no tones at all, then either (1) you're not getting power from the battery to the main circuit board or (2) the main circuit board is dead. You really have to open the unit up to figure out which it is. Circuit board replacement is a pretty involved procedure since it requires disassembly of almost the entire robot. If you are brave and want to try it, replacement PCAs are available from places like www.RoboticVacParts.com. They are my favorite shop because they sell parts tha iRobot refuses to sell to consumers and they're prices always beat what iRobot charges.

Roomba Says
What It Means
What You Should Do
Plays 4-note song as Power button blinks RED
Play sound The battery is low and needs recharging
• Connect the robot to the charger or Home Base® and recharge the battery. “Ehh”
Play sound The Cliff Sensors are dirty or malfunctioning
• Pick up your robot and turn it over.*
• Check for any debris that might be caught underneath the front bumper, around the Cliff Sensors.
• Wipe the Sensors with a lint-free cloth or use compressed air to clean them out.
"Uh-oh"
A wheel is stuck or is not touching the ground
• Lift the robot and place it down again.
• Press the Clean button to restart the cycle. “Uh-oh” plus 1 beep

The robot's main brushes are stalled
• Pick up your robot, turn it over* and remove the wire guard.
• Look for something blocking the brushes; you may need to remove and reinstall the brushes to remove the obstruction. “Uh-oh” plus 2 beeps
The robot's Side Brush is stalled
• Pick up your robot and turn it over*
• Check to see if something is wrapped around the Side Brush.
• Remove the Side Brush with a screw driver and check for string or hair wrapped under it.
• Replace the Side Brush, place Roomba in the center of the room and press Clean to resume cleaning. “Uh-oh” plus 3 beeps

The robot's vacuum is stalled
• Remove and empty the Dirt Bin.
• Use a flat-head screwdriver to remove the grill at the back of the Dirt Bin.
• Spin the Vacuum Impeller around, shaking out any debris that may be stuck.
• Replace the grill and the Dirt Bin. “Uh-oh” plus 4 beeps

Play sound
The robot's Drive Wheels are stalled
• Your robot may be stuck, or something may be caught in a wheel.
• If it's stuck, place it in the center of the room and press Clean. It should resume cleaning.
• If it is not stuck, lift the robot, turn it over* and look for something caught in the wheels. Test the wheels by pushing them in and out and making sure they rotate freely. Place robot in the center of the room, press Clean, and it should resume cleaning.
If this continues to happen every time you clean, you may need a software upgrade. Contact iRobot Customer Support.
“Uh-oh” plus 5 beeps
The robot's Cliff Sensors are obstructed
• Pick up your robot and turn it over.*
• Check for any debris that might be caught underneath the front bumper, around the Cliff Sensors.
• Wipe the Sensors with a lint-free cloth or use compressed air to clean them out. “Uh-oh” plus 6 beeps

The robot's Wheel Drop Sensors are overloaded (robot is stuck in a bumpy area)
• Pick up your robot, place it in the center of the room, then power it off and then on again.
• Select the cleaning cycle you prefer and let it go to work.
“Uh-oh” plus 9 beeps

The robot's Wheel Drop Sensors have failed at startup
• This failure requires you to contact iRobot Customer Support. Click here to send us an email. “Uh-oh” plus 10 beeps

The robot's bumper is not registering obstacles
• If the robot travels for a long distance without bumping into anything (which would be unusual), it might think it’s stuck and can’t move; press Clean again and it should resume cleaning.

Jun 02, 2009 | Roomba Robotic Floor Bagless Vacuum

9 Answers

Roomba stops and beeps three times and the max light keeps flashing....


Just fixed my roomba that was doing the stop after 2-5 minutes of running, beep 3 times ect... What I did was took off the back part (the trash bin) removed the 5 screws on the bottom, this removes the top and bottom shell, then I removed the 2 screws that are at the bottom of the vacuum's motor. And I cleaned it with a damp cloth. Once clean I let it air dry. She is running like she is new :-)

Dec 22, 2007 | Roomba Robotic Floor Bagless Vacuum

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