iRobot Scooba® Service Manual
Contents
1. Ensure the Filter is not broken allowing dirt to enter the fan Alarm 3 beeps Battery over current while running Replace Battery Alarm 4 beeps Power Supply has failed Need to test the Power Supply and Scooba Alarm 5 beeps Battery is too hot while charging Wait for the Battery to cool down and try again Note Make sure Scooba was not recently filled with hot water or charged with the tank closed and in a hot environment iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 42 User Interface Errors Power button off User interface failure With the Battery removed press POWER button and confirm that it snaps under the finger like the CLEAN button If not user panel needs to be replaced Reinsert the Battery and start charging the Battery in Scooba If the power light does not illuminate the Battery could be entering deep discharge mode Wait a few minutes and see if the power light comes on If a green light starts pulsing fast it is in deep discharge mode If still no light Scooba needs to be repaired for possible charging or user interface problem Perform a full Built in Test Check Tank Tank missing Clean Tank empty Dirty Tank full Pump sticky valve Water too soft Is the Tank missing the clean Tank empty or dirty Tank full Use the Scooba Bulb o2. The pump and brush is deactivated when Scooba is in drying mode If the drive wheel is overcurrenting Scooba will stop all motors for one second at a time for up to 5 times If it stays stuck for too long it will shut down with a beep error code End of cycle drying mode At the end of the cycle Scooba will enter a 5 minute dry mode designated by a blinking CLEAN button It enters dry mode in the following conditions when the CLEAN button is pressed while running when the clean Tank becomes empty when the dirty Tank becomes full before the Battery runs out of power In this mode Scooba drives at normal speed with the pump and brush motor off for 5 minutes iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 13 Scooba Bottom Chassis 1 Suction There are 2 suction inlets the Dry Vacuum Port and the Wet Vacuum Port which trails the Main Brush All incoming dirt must take those two inlet paths 2 Air Outlet There are 2 air exhausts the Debris Air Jet and the Air Exhaust The exhausted air has been filtered and is free of dirt 3 Water Outlet Water is deposited on the floor via two nozzles in front of the main brush Wet Vacuum Port Dry Vacuum Port Air Exhaust from fan Debris Air Jet from fan 1 2 3 Water Jet nozzles iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 7
3. Customer complaint o Scooba does not detect a cliff o Scooba gives an ehh error on start up o Scooba backs up and spins o Scooba ends with an error uh oh and 4 beeps BiT REPAIR STEPS Does the bumper compress and release freely Visually inspect under the bumper edges for debris Clean the cliff sensors with compressed air or a cotton swab REPLACEMENT PART Scooba Core Robot iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 19 BiT 4 Front Cliff and Wall Sensors Customer complaint o Scooba does not detect a cliff o Gives an ehh error on start up o Scooba backs up and spins o Does not follow walls o Scooba ends with an error uh oh and 4 beeps BiT REPAIR STEPS Does the bumper compress and release freely Visually inspect under the bumper edges for debris Clean the cliff and wall sensors with compressed air or a cotton swab REPLACEMENT PART Scooba Core Robot BiT 5 Side Wheel Drops Customer complaint o Scooba ends with an error uh oh and 1 beep BiT REPAIR STEPS Inspect the drive wheels and test if they depress and spring out iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 20 REPLACEMENT PART Scooba Core Robot BiT 6 Front Wheel Drop amp Stasis Customer complaint o Scooba ends with an error uh oh and 1or 2 be
4. try again with known good Power Supply If the problem persists replace Scooba BiT 18 Battery Sensor This step does not require tester interaction If the step fails try again with another charged Battery If problem persists replace the Battery BiT 19 to 23 Charger tests This step does not require tester interaction If the step fails try again with another Power Supply If problem persists replace Scooba BiT 24 Software Version This step does not require tester interaction iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 28 Scooba Accessories Battery Power Supply Charger Base Virtual Wall iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 29 Scooba Battery Scooba is powered by a rechargeable NiMH nickel metal hydride battery made up of 12 cells A Scooba battery can be charged in the Scooba or the Scooba Charger Base Normally a charged Scooba battery has a voltage between 15 5 to 18 V If the voltage falls below 10 8 V Scooba will enter a reconditioning mode during charging that takes 16 hours to complete and should not be disrupted In this recondition mode the Scooba power light will pulse faster than when in regular charge mode The battery also has a thermistor which is sensitive to temperature and relies on the change of resistance to measure battery temperatur
5. avoid infrared interference do not place the Virtual Wall within 8 feet of a Roomba Home Base When turned on the Virtual Wall will turn off automatically after approximately 2 5 hours The batteries last for about 140 hrs of operations Infrared Beam Emitter Infrared Avoidance Force Field Emitter Strength Setting in feet or meters Power Button Battery LED Status iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 35 Top view of Virtual Wall and beam spread Virtual Wall Troubleshooting If the Virtual Wall is turned on but the battery status light is off or flashing the batteries are low Check the batteries and the virtual battery door If new batteries still cause issues do a battery reset Remove virtual wall batteries and press the power button for 5 seconds Replace battery If Scooba goes through the virtual wall beam wipe Scooba s RCON and the infrared field emitter on the Virtual Wall and retest mobility through the beam To test the Virtual Wall strength set the Scooba in Built in Test 9 Make sure that the Virtual Wall battery status light is on and not flashing Set the Virtual Wall to the highest setting and bring the Virtual Wall 2 5 meters away from the Scooba bumper Verify that the Check Tank light is lit and recognizes the Virtual Wall Repeat this for the lower settings bringing the Virtual Wall closer for the lowest settin
6. iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 1 iRobot Scooba Service Manual Published July 2008 EUROPE Scooba grey bumper 385 USA Scooba blue bumper 330 335 340 5800 Scooba grey bumper 350 6000 380 6050 iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 2 Table of Contents Scooba Service Process __________________________________________________________ 4 01 Customer Call _________________________________________________________________________ 4 02 Scooba Return Procedure ________________________________________________________________ 5 03 Incoming Scooba Inspection______________________________________________________________ 6 04 Scooba Software Download ______________________________________________________________ 7 05 Scooba Built in Test BiT _______________________________________________________________ 7 06 Scooba Built in Test Data Capture _________________________________________________________ 7 07 Scooba Service Fix or Replace ___________________________________________________________ 7 08 Scooba Battery Test ____________________________________________________________________ 8 09 Scooba Power Supply Test _______________________________________________________________ 8 10 Virtual Wall Test__________________________________________________________
7. mA 1572 mA 1923 mA 22 Charging Disabled Current 253 mA 0 mA 23 Charging Switch 1 amp 2 Disabled Current 253 mA 0 mA iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 52 Appendix H Battery Test Procedure Using Battery Voltage Tester Objective To measure voltage across a Scooba battery to measure voltage across a 5 Ohm resistor and to measure the thermistor resistance Equipment Battery Voltage Tester Multimeter and fully charged battery under test Method 1 Fully charge battery with Scooba or Charger Base Insert battery into tester 2 To measure voltage across the battery set the multimeter to measure DC VOLTAGE V and plug the multimeter terminals to the positive red and negative black terminals of the battery tester Failure if reading is not between 15 5 18V 3 To measure the voltage across a 5 resistor follow step 1 and press the 5 Ohm resistor push button Caution Do not press button for more than a few seconds to avoid overheating of the load Failure if voltage drop is more than 2 Volts 4 To measure the thermistor resistance value thermistor contact to ground contact set the multimeter to measure RESISTANCE and plug the multimeter terminals to the thermistor terminal and the negative terminal Failure if not within specs in table below iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 30
8. o Clean the dirty tank full sensor with a cotton bud as shown B o Clean contacts that plug into the dirty tank full sensor C o Clean and rinse Tank Increase the conductivity of the water in the Clean Tank by adding water with 60 ml vinegar or a little salt or soap to the clean tank water to increase the conductivity of the water REPLACEMENT PART Scooba Tank iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 26 BiT 14 to 15 Left amp Right Wheel Customer complaint o Scooba is not driving straight o Scooba is driving in circles o Scooba gives an error of uh oh and 5 beeps o Wheels sound loud BiT REPAIR STEPS Check the tires for wear Confirm they turn with equal resistance Optional unscrew the two tires and check for debris on the inside of the wheel see A Remove the front caster and inspect for debris REPLACEMENT PART Scooba Core Robot BiT 16 Wheel Encoders Customer complaint o Scooba circles stops circles o Scooba circles and backs up o Scooba ends with uh oh and 5 beeps BiT REPAIR STEPS A dirty encoder causes a type of circle dance A broken encoder causes it too back up a distance circle and so forth REPLACEMENT PART Scooba Core Robot iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 27 BiT 17 Charger Detector If this step fails
9. ports open closed A B iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 17 Service Procedure based on Built in Test Every Scooba that is serviced is required to undergo a Built in Test BiT which will then dictate how to best service the Scooba A Scooba needs to pass the BiT before being returned to a customer The following Service Procedure is based on failed BiT steps or specific Scooba symptoms Basic troubleshooting steps are detailed but as a last resort a replacement part is suggested BiT 0 Panel LEDS Customer complaint o Scooba lights do not turn on o Scooba enters BiT when power is started BiT REPAIR STEPS Press both buttons on the user panel and make sure they snap in and out If not replace user interface panel REPLACEMENT PART Scooba Core Robot BiT 1 External Watch Dog Test This step does not require tester interaction The robot performs a self check to verify that the Scooba processor can reset if it gets locked up iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 18 BiT 2 Bumper switch and Board rev Customer complaint o Scooba may push longer and harder on walls o Scooba ends with an error uh oh and 3 beeps BiT REPAIR STEPS Does the bumper compress and release freely REPLACEMENT PART Scooba Core Robot BiT 3 Side Cliff Sensors
10. them with compressed air o Reinsert the Scooba components o Insert a charged Battery in Scooba o Add some water in the clean Tank o Run Scooba and see if it ends immediately with an error code Appendix D iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 7 04 Scooba Software Download Download the latest software if applicable Make sure Scooba has a charged Battery Appendix E 05 Scooba Built in Test BiT It is important that this step only diagnose Scooba failures For this reason do not conduct the BiT test with customer accessories as these can be tested separately Insert a charged Battery in Scooba Verify that the Filter and Tube are inserted in Scooba Insert an empty Tank Perform BiT steps Use known working Power Supply Virtual Wall and Remote Appendix F 06 Scooba Built in Test Data Capture Use iRobot Factory Test Client Version 1 1 to capture BiT Appendix F 07 Scooba Service Fix or Replace Repair parts using Built in test Fix Steps Service Procedure chapter Retest the BiT and continue fixing until BiT passes Appendix F iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 8 08 Scooba Battery Test Fully charge the returned Scooba Battery Test the returned Battery o Battery Voltage Test o Battery Voltage Drop Test Appendix H amp Battery chapt
11. this step can be skipped by pressing the CLEAN button BiT 9 RCON Infrared Receiver Customer complaint o Scooba passes an activated virtual wall BiT REPAIR STEPS Do a visual inspection of the RCON and wipe any dirt Test the RCON using a Roomba remote Once Scooba is powered on then the remote can be used to select a clean mode or move it directionally REPLACEMENT PART Scooba Core Robot BiT 10 Main Brush Customer complaint o Floor is dirty o Main brush is not turning or loud o Check Brush light is on BiT REPAIR STEPS Open and remove cleaning head and look for obstructions Do a visual inspection of the cleaning head and check it is installed properly Replace if damaged If brush is not turning or the motor gearbox are broken replace Brush Motor module iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 23 Scooba Core Robot BiT 11 Vacuum Customer complaint o Floor is too wet o Scooba is screeching loudly o Scooba ends with an alarm and 2 beeps BiT REPAIR STEPS While Scooba is running determine if air is being exhausted onto the floor bottom left hand side of robot This is an indication that the impeller fan is working If Scooba vacuum fan sounds loud replace vacuum module Inspect the Filter A broken Filter may have allowed dirt to enter the fan Replace if punctured REPLACEMENT PART Scooba Filt
12. this test makes sure that the processor can reset if it gets locked up All LED s will go out briefly and then return to normal state External watchdog test passed 2 Bumpers board rev Press and release left bumper Press and release right bumper Left bumper pressed Board rev ID OK gt 3 Right bumper pressed iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 47 3 Side Cliff Sensors Briefly lift robot s left side to simulate cliff left Briefly lift robot s right side to simulate cliff right Cliff left detected Cliff right detected 4 Front Cliff Wall Sensors Briefly lift front of robot to simulate cliff front Briefly simulate a wall Cliff front detected Wall detected 5 Side Wheel Drops Lift robot for one second to cause a wheel drop on left wheel then do the same for the right wheel Left wheel drop detected Right wheel drop detected 6 Front wheel drop stasis Briefly lift robot to cause a wheel drop on the caster Spin caster while dropped and verify that lights do not change Hold the robot so it s resting on just the front caster holding the other wheels in the air Move the robot forward one foot to cause the stasis switch to activate at least 3 times Caster wheel drop detected Stasis switch status 7 Tank filter cleaning head present switches
13. 00 Fax 781 430 3001 www irobot com 53 Appendix I Power Supply Test Procedure For 1 75A International Power Supply Equipment AC Voltmeter DC voltmeter ammeter variable voltage AC supply Method 1 1 Plug power supply into variable voltage AC supply with AC voltmeter connected across AC supply 2 Set AC supply voltage for 85 VAC Failure if DC output voltage lt 21 5 VDC or gt 24 VDC or light is off 3 Set AC supply voltage for 264 VAC Failure if DC output voltage lt 21 5 VDC or gt 24 VDC or light is off 4 Disconnect power supply from AC supply Set AC supply voltage for 65 VAC Reconnect power supply to AC supply Failure if output current isn t zero power supply should shut down or light is off Method 2 1 Plug power supply into wall socket Failure if DC output voltage lt 21 5 VDC or gt 24 VDC or light is off ve ground iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 54 Appendix J Suggested Maintenance Procedure Scooba Dry Vacuum Squeegee Replacement 1 Turn Scooba over and remove the bracket that holds in the dry vacuum squeegee 2 Pull our short squeegee and replace 3 Pull out the long squeegee and replace iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 55 Scooba Cleaning Head Disassembly 1 Open Cleaning Head by using the two tabs on the
14. 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 10 Vacuum Flow Tube Brush Eject Tank Eject Serial Port Solution Valve Sensor Battery Pocket Filter Charging Socket Tank Receiver iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 11 Scooba Cleaning Methods 1 Dry vacuum air flow directs loose dirt into tank 2 Washing liquid is deposited on the floor from the clean tank 3 Scrubbing brush gently scrubs floor to remove dirt on floor 4 Wet vacuum vacuum sucks up liquid into the dirty tank While Scooba cleans it calculates the best path to clean the floor The cleaning cycle may last between 5 and 45 minutes Before it ends the cleaning cycle Scooba will enter a 5 minute drying mode that dries its brush and cleaning system The Scooba will end the clean cycle either due to an empty clean tank a full dirty tank or a low battery Scooba will not run if at startup these termination causes have not been resolved Scooba can be used on tile linoleum vinyl marble slate and sealed hardwood floors but all grout and seams need to be sealed Scooba should not be run on carpets laminate or unfinished unsealed floors as these floors may be damaged by water unsealed floors do not contain a layer of polyurethane that protects the sub flooring from water damage Normal behavior In normal cleaning behavior Scooba switches between 4 different b
15. 81 430 3001 www irobot com 14 Scooba Top Chassis Air dirty Tank to fan Air dry vacuum port to dirty Tank Air water wet vacuum port to tank Water clean Tank to jet nozzles iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 15 Scooba Tank and Brush When viewing the Tank from below the transparent part holds clean liquid while the opaque part holds dirty liquid The clean Tank can hold up to one liter of fluid Solution Valve Seals to cleaning head Seals to Filter Seals to dry vacuum port Tank Magnet Dirty Tank Full sensor Poppet Valve anti vacuum iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 16 All suction from the floor is directed into a compartment in the Tank that has a ball check valve The valve is open when the Tank is in the horizontal position as shown in the cross section of the tank below A When the valve is open heavy material water and dirt is allowed to pass into the dirty Tank while light material air and hair moves passed the Filter to the impeller fan The valve is closed when the tank is in the vertical position B Note A customer needs to transport the Tank by holding the tank vertically from the tank handle If the tank is flipped on its side or spun around water from the dirty tank will spill out of the tank
16. Power Supply light is not on or blinking while charging first try another wall outlet before replacing the power supply iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 33 Scooba Charger Base The Scooba Charging Base is used to charge the Battery and charging takes about three hours The power light on the Charging Base is an indicator that it is plugged in and operating properly This light must be on and solid green for the Scooba battery to charge The battery charging light on the Charging Base signifies that the battery is charging Charger Base Troubleshooting Charger Base Status Light Battery Status Green pulse Battery charging Blinks once Battery is too warm or not installed correctly Blinks two times Charger Base failed a self test charging switch failure Replace Charger Base Test Power Supply Blinks three times Charger Base failed a self test servo failure Replace Charger Base Test Power Supply Light Turns Off Battery is fully charged Thermistor contact ve contact ve contact Charging Status Power iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 34 Scooba Virtual Wall The Virtual Wall emits an invisible infrared beam up to 8 feet 2 5 meters long that Scooba regards as a barrier and will not cross The beam spreads out and can get up to 3 feet wide 1 meter To
17. Remove the tank Briefly remove and re insert the filter Briefly remove and re insert the cleaning head Re insert the tank Tank removal detected Filter removal detected Cleaning head removal detected 8 Light sensor None Test automatically passes for Scoobas without light sensors Tester can skip by pressing clean button Light sensor sees darkness Light sensor sees brightness iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 48 9 Rcon IR Receiver Point a virtual wall at the rcon IR receiver Then point the virtual wall away or turn it off Point a Roomba remote control at the rcon IR receiver and briefly press any button except Power Virtual wall signal at rcon IR receiver Remote signal at rcon IR receiver 10 Main Brush Make sure brush is unobstructed Wait until POWER LED is constantly GREEN for 1 second Then stall the main brush until Check tank LED is constantly yellow for 1 second Main brush turns on Brush overcurrent stall Brush current OK 11 Vacuum None Vacuum turns on Vacuum stall Vacuum current OK 12 Pump None If it fails use a Scooba bulb to push air through the pump Pump turns on Pump stall Good pump encoder signal Pump current OK 13 Tank level sensors Ensure tank is inserted and empty Wait 5 seconds until middle LED lights Remove
18. _ 29 General Battery Maintenance Tips ___________________________________________________________ 30 Battery Troubleshooting ___________________________________________________________________ 30 Scooba Power Supply _______________________________________________________________ 31 Power Supply Troubleshooting______________________________________________________________ 32 Scooba Charger Base _______________________________________________________________ 33 iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 3 Charger Base Troubleshooting ______________________________________________________________ 33 Scooba Virtual Wall ________________________________________________________________ 34 Virtual Wall Troubleshooting _______________________________________________________________ 35 Appendix A Troubleshooting Flowchart via Telephone_______________________________ 36 Appendix B User Panel Lights __________________________________________________ 37 Service Light____________________________________________________________________________ 37 Power Button and Light ___________________________________________________________________ 37 Clean Button and Light____________________________________________________________________ 37 Check Tank Light________________________________________________________________________ 38 Check Brush Light _____________________________________________________
19. _____________ 8 11 Re Pack Scooba _______________________________________________________________________ 8 Scooba Floor Washing Robot _____________________________________________________ 9 Scooba Terminology_________________________________________________________________ 9 Normal behavior _________________________________________________________________________ 11 End of cycle drying mode ________________________________________________________________ 12 Scooba Bottom Chassis __________________________________________________________________ 13 Scooba Top Chassis _____________________________________________________________________ 14 Scooba Tank and Brush __________________________________________________________________ 15 Service Procedure based on Built in Test _____________________________________________ 17 BiT 0 Panel LEDS ______________________________________________________________________ 17 BiT 1 External Watch Dog Test____________________________________________________________ 17 BiT 2 Bumper switch and Board rev ________________________________________________________ 18 BiT 3 Side Cliff Sensors _________________________________________________________________ 18 BiT 4 Front Cliff and Wall Sensors _________________________________________________________ 19 BiT 5 Side Wheel Drops _________________________________________________________________ 19 BiT 6 Front Wheel Drop amp Stasis ________
20. __________________ 38 I m Stuck Light _________________________________________________________________________ 38 Appendix C Scooba Serial Number Format ________________________________________ 39 Appendix D Scooba Error Codes _________________________________________________ 40 Appendix E Scooba OSMO _____________________________________________________ 45 OSMO Download Procedure _______________________________________________________________ 45 Appendix F Scooba Built in Test_________________________________________________ 46 Scooba Built in Test Procedure _____________________________________________________________ 46 iRobot Data Capture ______________________________________________________________________ 50 Alternative Data Capture without iRobot software _____________________________________________ 50 Appendix G Scooba Built in Test Limits___________________________________________ 51 Appendix H Battery Test Procedure ______________________________________________ 52 Appendix I Power Supply Test Procedure__________________________________________ 53 Appendix J Suggested Maintenance Procedure _____________________________________ 54 Scooba Dry Vacuum Squeegee Replacement ___________________________________________________ 54 Scooba Cleaning Head Disassembly__________________________________________________________ 55 Scooba Wheel Replacement ________________________________________________________________ 56 Scooba Chassi
21. __________________________________________________ 20 BiT 7 Tank Filter and Cleaning Head Sensors ________________________________________________ 21 BiT 8 Light Sensor______________________________________________________________________ 22 BiT 9 RCON Infrared Receiver ____________________________________________________________ 22 BiT 10 Main Brush _____________________________________________________________________ 22 BiT 11 Vacuum ________________________________________________________________________ 23 BiT 12 Pump __________________________________________________________________________ 24 BiT 13 Tank Level Sensors _______________________________________________________________ 25 BiT 14 to 15 Left amp Right Wheel __________________________________________________________ 26 BiT 16 Wheel Encoders __________________________________________________________________ 26 BiT 17 Charger Detector _________________________________________________________________ 27 BiT 18 Battery Sensor ___________________________________________________________________ 27 BiT 19 to 23 Charger tests ________________________________________________________________ 27 BiT 24 Software Version _________________________________________________________________ 27 Scooba Accessories ____________________________________________________________ 28 Scooba Battery ___________________________________________________________________
22. and needs recharging Do Battery reset Fully charge Battery in Scooba or Charging Base until fully charged In case of battery low Scooba will complete the dry cycle before stopping and giving error Ehh Cliff sensors are dirty or need repair Remove the Tank and turn Scooba over Check for any dirt underneath the bumper and in the three cliff sensor housings Use compressed air to blow them out Is the front Caster in place No beeps Wheel is stuck or off the ground Remove the Tank and turn Scooba over Check all three of the wheels turn them and make sure they are not obstructed and that they can pop in and out uh oh 1 beep Wheel drop error Remove the Tank and turn Scooba over and inspect the wheels Replace tires if worn or torn Push each wheel in out and turn them for resistance Remove the front caster and inspect for dirt Reinsert and make sure it can spin freely pivots and rotates Place Scooba back on the floor Reseat the tank and restart the Clean cycle Note This error can be triggered by a threshold in the environment causing Scooba to get stuck uh oh 2 beeps No bump error caster error The front wheel may be stuck Ensure that the front caster can spin freely pivots and rotates Remove the caster by pulling it out and clear any dirt Reinsert the wheel and lightly push the wheel up and down Note This error can also be c
23. aused in a large room where Scooba s bumper is not activated over a certain distance Scooba will do a panic spin every 4 5 meters four times before shutting down and giving an error uh oh 3 beeps Constant bump error Tap the bumper to ensure that it moves in and out Remove Tank and turn Scooba over and visually inspect under the bumper edges for debris Use compressed air to clean under the bumper iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 41 uh oh 4 beeps Constant cliff error Remove the Tank and turn Scooba over Clean cliff sensors with a cotton swab or compressed air Inspect wheels and cleaning head uh oh 5 beeps Wheel Stall error Left or right wheel malfunction is caused by a wheel motor or encoder failure Remove the Tank and turn Scooba over Inspect Scooba s two drive wheels Spin the wheels by hand and confirm that they offer some resistance Dislodge any obstruction and inspect the wheels for damage Customer may observe erratic spinning and backing up a foot at a time in reverse which is a sign of a bad encoder Alarm 1 beep Pump stall Go to Floor is too dry below pg 46 In case of pump brush stall Scooba will complete the dry cycle before stopping and giving error Alarm 2 beeps Vacuum stall If the vacuum motor is abnormally loud replace the vacuum
24. ax 781 430 3001 www irobot com 61 Appendix K Glossary BiT o Built in Test Chassis o The plastic frame of the Scooba Encoder o A sensor that relays information to the robot Force Field o An IR avoidance beam that ensures the Scooba does not bump into it Force field is used in the Home Base and Virtual Wall Infra Red IR o Light with wavelengths greater than those of visible light Light Emitting Diode LED o Semiconductor light source that emits visible light or invisible infrared radiation Mobility o Capable of moving or being moved readily Overcurrents o Exceeds the current limits for the motors PCB o Printed circuit board RCON o Room confinement reference to the IR receiver eye on the top of the outer bumper Squeegee o A flat smooth rubber blade used to remove or control the flow of liquid on a flat surface Stasis o Refers to things that are not moving or changing User Interface UI o The physical means and method of interaction between users and products Virtual o Not physical
25. e Thermistor contacts ve contact ve contact iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 30 General Battery Maintenance Tips Battery Storage For best battery performance Scooba s battery should be stored in a cool dry place immediately after charging completes While charging battery in Scooba leave the Tank off or wide open to keep the battery cool If Scooba will not be used for two weeks or more it is best to unplug the power supply remove the battery and store the battery in a cool dry place Battery Life Fully charge Scooba s battery 3 to 4 hours before each cleaning cycle When fully charged Scooba s battery will always last longer than a full Clean cycle 16 Hour Refresh Charge With regular use Scooba s battery will fully charge in about 3 hours In some circumstances a longer 16 hour refresh cycle will be required This longer charge reconditions the battery when it is depleted and helps extend Scooba s battery life Battery Troubleshooting Problem Charging in hot conditions may cause the battery to overheat and Scooba will stop charging until the battery cools down In this on and off situation Scooba may not accurately monitor the battery s capacity and result in a short runtime Fix Do a Battery Reset Remove Scooba from the Power Supply pull out the Battery wait 5 seconds reseat the Battery wait 5 seconds and r
26. edge of the frame 2 Open Cleaning Head to expose and remove the Brush Clean the Brush 3 Close Cleaning Head and reinsert it into Scooba by first aligning the frame with the chassis iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 56 4 Push in the Cleaning Head until it clicks into place Scooba Wheel Replacement 1 With Scooba turned over press on the two tabs on the bottom of the wheel and pull up 2 Remove the tire if needed with a screwdriver one screw per wheel iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 57 Scooba Chassis Disassembly 1 Remove battery tank filter and suction port iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 58 2 Remove bumper 2 screws iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 59 3 Remove screws in lower chassis 10 screws iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 60 4 Remove screws along user panel 6 screws 5 To open chassis cover do the following o Remove white flexible cable by pulling it out of user panel o Push suction valve down as chassis top is removed iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 F
27. ehaviors Drive Scooba drives straight Spiral Scooba drives in an outward spiral pattern Bounce Bumper activation makes Scooba back up turn in place and drive straight Wall follow Scooba follows along a wall When first started Scooba runs the pump for up to 3 seconds and then goes into spiral mode if the clean button is held down for an extended period of time at start up it will drive straight and skip the spiral mode When the bumper is activated for the first time Scooba goes into wall follow mode Thereafter when the bumper is activated Scooba will normally do a bounce but will revert to wall follow mode every 10 to 15 bumps iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 12 There are other behaviors that react to specific situations Cliff avoid Scooba backs up and turns whenever its cliff sensor detects a cliff RCON avoid Scooba turns whenever the RCON sensor detects an infrared beam Bump follow Scooba follows a wall with its bumper Escape spin Scooba will spin in place when a drive wheel is stuck or when Scooba moves straight for 4 5 meters without triggering its bumper of cliff sensors There is special control of brush pump and drive motors The brush is deactivated when Scooba backs up and re activated as it moves forward The pump is deactivated when Scooba is turning in place or backing up
28. elect the file to write the bit data into using Browse button Now enter the serial number of the robot from the robot sticker The serial number has the following verifications Length is 21 Starts with JEN or jen KYN or kyn PRR or prr 4 Choose the origin from where the robot was shipped 5 Choose the mobility test result 6 Choose the com port you are using to connect to the robot and press Capture 7 After performing the BiT test connect the robot to the com port selected in step 6 8 Press Clean button on the robot to get the BiT data 9 If you do not get data within 5 secs press clean again 10 The BiT summary data will be displayed and will be automatically saved into the file 11 You can continue to another robot without closing the program Repeat steps 3 10 NOTE 1 If robot model needs to be changed re start the application NOTE 2 Please do not edit open the RobotOriginList txt file If you want to edit the robot shipped from details use the button to edit the drop down list Alternative Data Capture without iRobot software Note When the Built in Test is completed the Scooba s POWER light will be flashing GREEN it passed or RED it failed Do not remove the Battery as this will erase the test information o Plug in the serial cable from the robot into COM1 or COM2 of the computer o Open HyperTerminal In Windows START gt Programs gt Accessori
29. ellow o Cycle complete o Clean Tank empty o Dirty Tank full o Tank not present Solid Green iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 39 Appendix C Scooba Serial Number Format To find the product code for Scooba open the tank The product code sticker should appear just below the battery There is no need to remove the battery to view the product code e g J E N 0 5 8 0 0 0 6 0 1 2 1 0 2 0 0 0 0 1 MM Manufacturer ID JE Jetta YT Kin Yat and PR PRC U Status N new R remanufactured LLLLL Model number 00000 09999 YY Year since 2000 this robot was manufactured mm Month this robot was manufactured dd Day of the month this robot was manufactured RR Model revision for this robot o 01 Software Code 2005 12 13 2046 implemented 15h Dec 2005 o 02 Software Code 2006 06 09 1200 implemented 30th Aug 2006 o 03 Software Code 2006 01 29 1253 implemented 14th Mar 2007 o 04 Software Code 2007 07 06 1452 implemented 3rd Sep 2007 o 05 pump output is 22 ml min robot speed is 180 mm s 23rd Oct 2007 sssss Sequence iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 40 Appendix D Scooba Error Codes What Scooba Says What It Means Ask Customers to do the following Dead battery song POWER button red The battery is low
30. elow 1 Remove the power supply 2 Attach a charged Battery into your Scooba 3 Line the OSMO up so the serial connector is facing towards the serial port 4 Once plugged in the OSMO and the Scooba s power light will flash for a couple of minutes and then the power light will turn solid green 5 Remove OSMO The upgrade is now complete iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 46 Appendix F Scooba Built in Test A Serial Cable can not be attached to Scooba during Built in Test Scooba Built in Test Procedure To put Scooba into Built in Test mode 1 Power Scooba OFF if not already OFF by pressing the POWER button 2 Hold down the CLEAN button 3 Power Scooba ON by pressing and releasing the POWER button 4 Keep holding down the CLEAN button for about 0 5 SECONDS until you hear a series of ASCENDING BEEPS and the user panel LEDs start flashing For AUTO ADVANCE mode 5 Release the CLEAN button For MANUAL ADVANCE mode 6 Continue holding down the CLEAN button for a total of 3 SECONDS until you hear a second series of DESCENDING BEEPS 7 Release the CLEAN button Test Name Tester Action Robot Action Left Check Tank LED Middle Check Brush LED Right I m Stuck LED Power LED s 0 Panel LEDs Check correct flashing of LEDs Press CLEAN to advance to the first test 1 External Watchdog Test None
31. eplug the Power Supply Problem Batteries will discharge when left in the Scooba as there is a sleep current of 11 mA Fix Keep the battery out of Scooba if not plugged into the Power Supply Problem Batteries are not easy to insert and many users will not seat battery properly If the battery is not inserted well the tank will not seal properly Fix Proper battery insertion requires user to rotate the battery into its slot making sure the yellow battery tabs fit inside the guide holes User should listen for a click as the battery snaps into place iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 31 Scooba Power Supply Scooba is charged with either a Universal 100 240V or Domestic 120V Power Supply The Power Supply steps the voltage down to 22VDC and 1 75A The solid green power light on the Power Supply is an indication that it is plugged in and operating properly There are 3 phases to the normal charging algorithm 1 The first phase is a full current charge 1 75A 2 The second phase is a low current charge 430 mA 3 The final phase is trickling 11 mA Note older software code was set at 50 mA There is also a reconditioning charge that will occur if the battery voltage is less than 10 8V In this mode the battery will be charged at 430 mA for 16 hours Charging Mode Current Termination Reasons Cooling Mode 0 Timeout 2 hours Battery te
32. eps o Scooba goes ehh BiT REPAIR STEPS Inspect front wheel and make sure the wheel can pivot rotate and swivel Remove the wheel module and inspect for damage or debris B REPLACEMENT PART Scooba Front Caster OR Scooba Core Robot iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 21 BiT 7 Tank Filter and Cleaning Head Sensors Customer complaint o Check Tank light comes on o Check Brush light comes on Tank Present Sensor A magnet located in the front of the tank triggers a reed switch inside the user interface panel This prevents the robot from running without a tank Filter Present Sensor A magnet located on the filter triggers a reed switch inside the robot This prevents the robot from running without a filter which could damage the vacuum Brush Present Sensor A magnet located on the top of the cleaning head triggers a reed switch inside the robot This prevents the robot from running without a cleaning head assembly which would cause poor cleaning performance BiT REPAIR STEPS If a magnet is missing from tank filter or cleaning head housing insert a magnet REPLACEMENT PART Replace magnets if missing OR Scooba Core Robot iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 22 BiT 8 Light Sensor Most Scoobas do not have a light sensor and
33. er Optional Discharge the Battery by running it in a Scooba or using a battery discharger discharge the Battery at a constant 2 9V to 1V per cell The discharge time should be about 60 minutes If not replace the Battery 09 Scooba Power Supply Test Test returned Power Supply o Output Voltage o Solid green light under load Appendix I amp Power Supply chapter If the Power Supply light is off or blinking while charging replace the Power Supply 10 Virtual Wall Test Test returned Virtual Wall o Insert charged batteries if its light is blinking o Clean Virtual Wall IR emitter Troubleshoot Virtual Wall pg 37 11 Re Pack Scooba To avoid depleting the Battery during shipment do not ship Scooba back with the Battery inserted in Scooba Wrap the Battery separately Also remove any water left in the Tank Use the Scooba Bulb to remove the water that will not come out naturally iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 9 Scooba Floor Washing Robot Scooba Terminology User Interface UI Wall Sensor Bumper Clean button RCON Virtual Wall Sensor Power button Handle amp Tank Release Charging Socket Tank Receiver Dry Vacuum Squeegee Tire Wet Vacuum Squeegee Cliff Sensors Dry Vacuum Port Drive Wheel Front Caster Air Exhaust Main Brush iRobot Corporation 8 Crosby Drive Bedford MA
34. er OR Scooba Core Robot iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 24 BiT 12 Pump Customer complaint o Scooba does not clean floor floor is dry o Scooba ends with an alarm and 1 beep BiT REPAIR STEPS Inspect the solution sensor Replace if broken or clogged see A Use a Scooba bulb and push air through the pump system at least three times see B Replace the tank and re start Scooba Check that the Filter and Vacuum Flow Tube is installed properly see C Increase the conductivity of the water in the Clean Tank by adding water with 60 ml vinegar or a little salt or soap to the clean tank water to increase the conductivity of the water REPLACEMENT PART Scooba Core Robot C A B iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 25 BiT 13 Tank Level Sensors Customer complaint o Check Tank light is on Sensor Background Clean Tank Empty Sensor see A Two stainless steel pins in Scooba s solution valve measure electrical resistance of fluid and confirm that water is present in the tubes The robot runs as long as it sees fluid across the sensor Dirty Tank Full Sensor see B Two stainless steel pins in the dirty tank measure fluid resistance to determine when the dirty tank is full BiT REPAIR STEPS Make sure the dirty sensor wire is not dirty
35. es gt Communications gt HyperTerminal or In Windows START gt RUN and enter HYPERTRM EXE o Name the connection anything you want o Choose COM1 or COM2 depending on where you attached the cable into the computer o Select bits per second and change to 57600 and under flow control select none leave all other settings alone o In HyperTerminal go to TRANSFER gt CAPTURE TEST gt START o Press Clean on Scooba o In HyperTerminal go to TRANSFER gt CAPTURE TEST gt STOP Serial cable available from iRobot iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 51 Appendix G Scooba Built in Test Limits The following are the minimum and maximum limits used in each Built in Test Relevant Scooba BiT Description MINIMUM MAXIMUM 10 11 12 14 18 Baseline Current 195 mA 68 mA 10 Brush Current 683 mA 166 mA 10 Brush Stall Current 3251 mA 1894 mA 11 Vacuum Current 2060 mA 1376 mA 12 Pump Current 97 mA 19 mA 12 Pump Stall Current 303 mA 117 mA 14 Left Drive Current 205 mA 39 mA 14 Left Drive Stall Current 1406 mA 585 mA 15 Right Drive Current 205 mA 39 mA 15 Right Drive Stall Current 1406 mA 585 mA 18 Battery Voltage 12V 18V 19 Charging Trickle Current nominal 49 mA 29 mA 68 mA 20 Charging Low Current nominal 430 mA 390 mA 468 mA 21 Charging High Current nominal 1750
36. g Reject any Virtual Walls that fail iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 36 Appendix A Troubleshooting Flowchart via Telephone Does Scooba start or end with an error Does Scooba POWER button pulse when charging Inspect the Power Supply Is its light solid green when charging Try another wall plug Else SERVICE ROBOT Go to Appendix D Scooba Error Codes Press Scooba s POWER and CLEAN button Do they both snap under the finger SERVICE ROBOT Did you charge the Battery fully 3 16 hours without disruption Charge Battery Run robot Is Battery inserted in Scooba properly Reinsert Battery Run robot Run robot Is water deposited on floor Rinse Tank Filter Tube Refill Clean Tank Run robot Is water deposited Is the Scooba ending on either dead battery an empty clean tank or a full dirty tank SERVICE ROBOT YES NO YES NO iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 37 Appendix B User Panel Lights Note Pulsing means that the light brightens and dims Blinking means the light turns abruptly on and off Service Light The service light indicates a hard failure that normally requires a replacement to fix Power Button and Light o Powers on off the robot Clean Button and Light o Starts cleaning cycle o Starts dr
37. mperature 40 C Recondition Mode 430 mA Timeout 16 hours Overvoltage Battery voltage gt 1 8V cell or gt 21 6V Overtemperature Battery temperature gt 60 C Charge Mode 1 75 A Timeout 4 hours Inflection Battery voltage slope dips gt 1 25mV min for 60s dT dt Battery temperature rising gt 0 7 C per minute Peak voltage Battery voltage slope lt 0mV min for 60s Hi res voltage dip Battery voltage dips gt 10mV when above 15V Low res voltage dip Battery voltage dips gt 60mV Overtemperature Battery temperature gt 60 C Overvoltage Battery Voltage gt 21 6V Low Current 430 mA Timeout 1 hour Solid green light iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 32 Charge finishes current sequence Overtemperature Battery temperature gt 60 C Overvoltage Battery voltage gt 1 8V cell or gt 21 6V Hi res voltage dip Battery voltage dips gt 10mV when above 15V Low res voltage dip Battery voltage dips gt 60mV Trickle mode keeps battery fully charged 11 mA Overvoltage Battery voltage gt 1 8V cell or gt 21 6V Battery temperature gt 42 degrees C Float mode starts after trickle mode aborted 0 mA Both conditions must be true Battery temperature lt 40 degrees C Battery voltage lt 21 0V Power Supply Troubleshooting If the
38. n the solution valve and squeeze air through the pump 3 times Rinse out the clean and dirty Tank with some water If the problem persists empty Tank and add a mixture of water and 60 ml of vinegar in the clean tank water to increase the conductivity of the water Then use the Scooba bulb to push air through the water sensor and clear the tubes Then reinsert Tank with the fresh water vinegar mixture iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 43 Check Brush Brush stall Filter missing Cleaning Head missing Check that the Filter Vacuum Flow Tube Cleaning Head are properly seated Remove and reinsert them In case of brush stall Scooba will complete the dry cycle before stopping and giving error Behavior only Tank won t open Place one hand on the tank Receiver and apply pressure on the back while the other hand taps lightly on the edge of the Tank handle The tank should release Tank won t close Make sure there are no obstructions Make sure the Battery Vacuum Flow Tube and Filter are seated properly Ensure the user is placing enough pressure on the top of tank when closing it Floor too wet Clogged ports Bad squeegee Bad tank seal Is the user letting the 5 minute drying cycle complete The dry cycle is not intended to dry the floor but dry the internal tubing in the Sc
39. ooba so it does not leave a puddle on the floor Rinse out the Filter and all ports on the underside of the Scooba Tank since they may be clogged Ensure that all the squeegees dry and wet are not ripped or bent If the dry vacuum squeegee is rippled or bent you can take some dish soap between your thumb and index finger and run it along the squeegee to straighten it out iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 44 Floor too dry Sticky valve Bad tank seal Note A blinking CLEAN light signifies it is in dry mode and no water is being placed on the floor Use the Scooba Bulb on the solution valve and squeeze air through the pump 3 times Ensure there is liquid in the clean Tank Make sure the Battery is in place with the yellow tabs tucked into the battery latch Ensure the Tank is properly latched into robot Ensure the Filter and Vacuum Flow Tube are properly installed Fill clean Tank Using a pen tip push on the poppet valve to ensure a flow is coming out Test over sink Charging Failure Is the Battery properly seated Is the Power Supply light off or flashing If yes Scooba and the Power Supply may need to be replaced Perform full Built in Test Short run time lt 60 min Make sure Scooba does not end in an error code Do a Battery Reset Remove power to robot Take out battery and
40. press power for 5 seconds Reseat battery and make sure that it is seated properly Wait 5 seconds and reattach to power supply Charge Battery fully 3 16 hours Although the tank may end clean cycle after 45 minutes the battery should last for another tank and run total of 60minutes Gets stuck on transitions Scooba can only clear 3 mm transitions Anything larger will cause the bumper to turn the Scooba away iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 45 Appendix E Scooba OSMO Scooba s software is continuously improved by iRobot software engineers When a Scooba is serviced it is best practice to update it with the latest software code with an OSMO OSMO will only update software if the robot s software is an older version than what is installed in OSMO Software Date Tag Robot Production Implementation Notes Scooba OSMO 2007 07 06 1452 3 September 2007 Universal code can be applied to any Scooba model OSMO Download Procedure The OSMO download takes about 2 minutes and requires battery power during the download OSMO will first delete the robot s operating system before downloading new software and if the battery dies during the download the robot remains without an operating system In this case the robot s POWER light will blink red until the software is properly loaded again OSMO is very easy to install please follow the steps b
41. r detected 18 Battery Sensors None Battery voltage between 12 18 V Thermistor present Baseline current OK 19 Plug in Charger Trickle None Plug in charger available Trickle current OK 20 Plug in Charger Low Current None Plug in charger available Low charge current OK 21 Plug in Charger High Current None Plug in charger available High charge current OK 22 Charger Watchdog Test None again this test checks that we stop charging if the processor locks up Plug in charger available Charger watchdog test passed 23 Charger switch isolation test None this tests two switches on the main board electronically between battery and charger Redundant protection in case we need to switch charging off Charging current only passes when both switches are enabled Plug in charger available Charger switch isolation test passed 24 SW Version None this test verifies that the software is protected and cannot be read SW Version OK 25 Built in test Complete iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 50 iRobot Data Capture 1 Run iRobot_BiT_CaptureV1 1 exe If the program has not yet been downloaded extract the zip file into a folder making sure RobotOriginList txt file is in the same folder as the executable 2 Choose the robot Model 3 Create or s
42. s Disassembly _______________________________________________________________ 57 Appendix K Glossary __________________________________________________________ 61 iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 4 Scooba Service Process This manual details the steps of a Scooba Service Procedure 01 Customer Call Scooba issues can be examined over the telephone by guiding a customer through a troubleshooting process see Appendix A and Appendix D At a minimum the customer should be asked to perform the following troubleshooting steps A Inspect proper placement of 1 Brush Battery Filter Vacuum Flow Tube and Tank B Clean Scooba 1 Clean the cliff sensors under the bumper with compressed air 1 2 Remove any hair or obstruction from the wheels 2 3 Remove any hair or obstruction from the brushes 3 4 Clean out the filter and tube 4 5 Rinse the tank and refill the clean before running 5 C Perform a Battery Reset not applicable to customers that use a Charging Base 1 Unplug Scooba from Power Supply and take the battery out 2 Press the POWER button for 5 seconds 3 Reseat the Battery 4 Wait 5 seconds and plug the Power Supply into Scooba 5 Charge the Battery fully iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 5 02 Scooba Return Procedure If the initial troubleshooting steps do not sol
43. tank Add a tank with some liquid in the clean and dirty tank and insert in Scooba Wait for clean tank sensor light to activate Tilt the robot if necessary to light the dirty tank light Pump turns on Clean tank level sensor active IE sees water Lights when the test is waiting for the tester to remove the tank amp fill it Dirty tank level sensor active IE sees water 14 Left Wheel Make sure wheels are in the air and unobstructed Wait until POWER LED is constantly GREEN Then stall left wheel until Check tank LED is constantly yellow for 1 second Left wheel turns in forward direction Left wheel overcurrent stall Left motor current and encoder speed OK iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 49 15 Right Wheel Make sure wheels are in the air and unobstructed Wait until POWER LED is constantly GREEN Then stall right wheel until Check tank LED is constantly yellow for 1 second Right wheel turns in forward direction Right wheel overcurrent stall Right motor current and encoder speed OK 16 Wheel Encoders Robot will drive backwards for 1 seconds verify that robot drives straight Drive wheels turn in backward direction Left wheel encoder signal Right wheel encoder signal Motor current and encoder speed OK 17 Charger detection Plug in the charger Charge
44. ve the issue have the customer send the Scooba and all accessories to a service repair center The customer should add documentation that provides the date their name address a reference number and a description of the complaint o Avoid receiving a depleted Battery Ask customer to remove the Battery from Scooba and place it separately in the box o Avoid water leakage during shipment Ask customer to drain the Tank and place it in a thin plastic bag before shipping 1 2 3 4 5 iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 6 03 Incoming Scooba Inspection Perform a general outer visual inspection of Scooba s condition Look for wear on the Bumper and Wheels Remove the Tank and ensure that the Filter and the Vacuum Flow Tube are properly inserted Tank o Add water into both dirty and clean Tank Shake and pour out o Add water through the four bottom Tank ports Shake and pour out Filter and Tube o If dirty clean the Filter and Tube through running water Inspect the Brushes o Ensure the cleaning head is properly inserted in the chassis o If dirty open the cleaning head and clean the brush Inspect the Wheels o Inspect the drive Wheels Bounce and turn them for equal resistance o Inspect front Caster Make sure it spins freely pivots and rotates Remove the wheel and look for dirt Inspect the Cliff and Wall Sensors o If dirty clear
45. ying mode o Stops cleaning mode o 4 tone alarm followed by a series of beeps See Appendix H Solid Red o Drying o Startup o Error conditions blinks for error and cycle pause conditions o Running Battery charged o Cycle successfully completed o Not powered on o Cycle complete Blinking Green Solid Green Off o Battery not installed properly o Software not installed properly o Not charging o Battery dead plays a dead battery song o Charging o If fast pulse then in recharge mode 16 hours o Cleaning o Drying o Battery fully charged o Off o Not charging Blinking Red Solid Red Pulsing Green Solid Green Off iRobot Corporation 8 Crosby Drive Bedford MA 01730 Tel 781 430 3000 Fax 781 430 3001 www irobot com 38 Check Tank Light In normal conditions the light comes on when the cycle is complete and either the clean Tank is empty or the dirty Tank is full Check Brush Light If the Check Brush light comes on make sure the Brush and Filter are correctly installed I m Stuck Light The I m stuck indicates soft failures Usually moving the robot away from an obstacle and restarting the cycle is the proper corrective action These normally do not require replacements unless the problem is persistent o uh oh and a series of beeps See Appendix H Solid Yellow o Brush not present or stalled o Filter not present o Brush stall Solid Y
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