Question about iRobot 5800 Scooba Vacuum

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IRobot Scooba 5800 "check tank" light

I am possible buying a used Scooba 5800. The current owner has had it stored for a while and says it needs a new battery, although it will last for a few minutes. The check tank light is on. She has swished water through both the dirty and clean tanks and primed the pump. She also did had a service error telling her to clean the bumper, which she did with a Q-tip, and the service light went off. She said that the machine will run for a few seconds before the check tank light comes on. Any ideas on if this can be fixed and how, or would it be a waste of $65?

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6 Suggested Answers

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Posted on Jan 02, 2017

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KOakaKO
  • 135 Answers

SOURCE: Scooba 5800 Power button Red Blinking

You probably have the manual, but here's the link to the Scooba 5800 manual anyway - just in case this would be useful to you: --> http://www.irobot.com/images/homesupport/5800_Scooba_Manual.pdf You could use a voltmeter to check the battery, but only a few months use shouldn't be enough to wear it out. If you don't have a load-tester to verify the battery's load-capacity, then you can check the voltage drop. (Assuming you can get it to contact the Scooba's circuits.) To do this, just check the battery voltage, apply a load by inserting it in the machine and turning it on, then check the battery voltage again. An excessive drop in voltage may indicate the battery needs replacing. However, the red blinking light is Scooba's indicator that it doesn't detect the battery at all. The first thing to do in this case is to clean the electrical contacts on the battery and in the Scooba. Use a damp cloth and a bit of toothpaste to rub the contacts clean on the battery and in the machine. (Toothpaste has mild abrasives in it and will clean the electric contacts without damaging them.) Make sure that both the battery and the Scooba are clean and dry before re-inserting the battery. Also, if the electric contacts in the machine are flexible matal tabs then verify that the tabs are standing up high enough to make good contact with the battery contacts. Hopefully the battery just needs it's contacts cleaned for your unit to work, but test the battery if you are sure that they are clean and seated properly to the contacts in the machine. If the battery appears to be failing, then contact www.irobot.com to cheack and see if they are still covered under your machine's warranty. Hope this helps! :)

Posted on Aug 06, 2007

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taran_2005
  • 10515 Answers

SOURCE: Scooba in diagnostic mode

This is a common issue :)
his morning, I turned on my Scooba and it started beeping a scale of tones and blinking all its lights in sequence. After an hour or so of resetting, cleaning, disassembling, researching, and scratching my head, I stumbled across the solution on Roomba Review. But, for me at least, it was even easier than all of that. I don't have any of my own pictures for this procedure, but it's pretty straight forward.

  • Remove the battery and power.
  • Remove the two screws holding the bumper shell in place and remove it.
  • Carefully peel up the sticker with the control buttons on it. This sticker is actually the control panel. There is a data cable attached to it just below the "Clean" button. Be careful not to break it!
  • Clean the surface under the sticker with some isopropyl alcohol. (I didn't actually have to do this, but I'm sure it doesn't hurt.)
  • Gently replace the "sticker" (i.e. control panel) and make sure it's completely flat.
  • Check to see if it works again. If not, repeat.
  • Replace the bumper shell and screws....
thnx.

Posted on Jan 25, 2009

  • 1 Answer

SOURCE: Scooba doesn't put watter. Pump not working?

I calledthe company and they told me to forcefully flush warm water repeatedly through the valve that is just  above  the brush release button the the mechanical part  of the scooba.  It may take 20 or 30 flushes (I used a turkey baster, iRobot suggested a children's nasal syringe) and "Scooby" is  running great.

Posted on Jan 31, 2009

  • 61 Answers

SOURCE: It keeps telling me check tank

Prime Scooba's pump, as described here, but use water instead of air to prime the pump. Water is more effective. You'll have a little puddle under the robot if you've been successful.

Then rinse the tank through all four ports on the underside-- one round, two oval, one large and curved. All four are in a row at the bottom of the transparent area. You'll probably dislodge some clots of debris and sediment. Then refill the tank and run the robot. That ought to do it. If it doesn't, call customer support at 1-877-855-8593.

Posted on May 29, 2009

  • 2 Answers

SOURCE: Scooba does not release water

I tried the straw on the solution valve. Worked last time, but no luck this time. I ended up using a can of compressed air on the solution outlets on the bottom of the unit (in the trough in front of the brush).

Posted on Jul 07, 2009

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You probably have the manual, but here's the link to the Scooba 5800 manual anyway - just in case this would be useful to you: --> http://www.irobot.com/images/homesupport/5800_Scooba_Manual.pdf You could use a voltmeter to check the battery, but only a few months use shouldn't be enough to wear it out. If you don't have a load-tester to verify the battery's load-capacity, then you can check the voltage drop. (Assuming you can get it to contact the Scooba's circuits.) To do this, just check the battery voltage, apply a load by inserting it in the machine and turning it on, then check the battery voltage again. An excessive drop in voltage may indicate the battery needs replacing. However, the red blinking light is Scooba's indicator that it doesn't detect the battery at all. The first thing to do in this case is to clean the electrical contacts on the battery and in the Scooba. Use a damp cloth and a bit of toothpaste to rub the contacts clean on the battery and in the machine. (Toothpaste has mild abrasives in it and will clean the electric contacts without damaging them.) Make sure that both the battery and the Scooba are clean and dry before re-inserting the battery. Also, if the electric contacts in the machine are flexible matal tabs then verify that the tabs are standing up high enough to make good contact with the battery contacts. Hopefully the battery just needs it's contacts cleaned for your unit to work, but test the battery if you are sure that they are clean and seated properly to the contacts in the machine. If the battery appears to be failing, then contact www.irobot.com to cheack and see if they are still covered under your machine's warranty. Hope this helps! :)

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