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Version 1

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Summary of Contents for RVA420B

Page 1: ...Version 1 SERVICE MANUAL ROBOTIC VAC BLACK DECKER RVA425B RVA420B 1 ...

Page 2: ...Version 1 2 DURING HANDS ON USE STATIC PROTECTION DEVICE AFTER REPAIR BEFORE TO DISASSEMBLING THE UNIT BRUSHES FILTER AND BATTERY MUST BE REMOVED AS SHOWED ON Cleaning Maintenance and Battery PARAGRAPHS ...

Page 3: ...ION DIRECION DE LA FLECHA AVANÇAR NESSA DIREÇAO BEWEEG IN DE RICHTING VAN DE PIJL CORRECT RICHTIG CORRETTO CORRECT CORRECTO CORRECTO GOED ATTENTION REMOVE BATTERY ACHTUNG AKKU ENTFERNEN ATTENZIONE RIMUOVERE LA BATTERIA ATTENTION RETIREZ LA BATTERIE ATENCION QUITAR LA BATERIA ATENÇÃO RETIRAR A BATERIA OPGELET VERWIJDER DE BATTERIJ LIFT OVER ANHEBEN SOLLEVARE SOULEVEZ LEVANTAR LEVANTAR SOBRE A OPHEF...

Page 4: ...Version 1 Diagnosis Software Cleaning Maintenance Battery Switch Charger Motor and Wheels Front wheel Fan Motor Central Brush Motor Side Brushes Motors Cliff Sensor Bumper IR Led Wiring Faq 4 ...

Page 5: ... white end of the cable into the robot s USB port in the dust cassette well With the unit turned off run xr668selftest exe You ll need to select the com port number the cable is assigned check in device manager and set the baud rate to 115200 Click on Start The Machine details section will give you the model number software version and any error code Diagnosis Software ...

Page 6: ...ely 3cm from the front bumper move it from left to right to cover each sensor location when blocked the relevant front sensor light should show green If any one of the sensors is nor responding correctly then replace the front sensor array Go to Bumper IR Cradle charge The Cradle charge light should be green when the unit is placed on the charging base correctly with power to the base If it does n...

Page 7: ...ow green when the left is pushed R Bumper when right side is pushed and both should light when the centre is pushed If there is no light then check the bumper actuators are making contact with the micro switch for the relevant side if they are then check the micro switch connection and replace if faulty Go to Bumper IR Ground test With the unit flat on a surface the L Side Down and R Side Down lig...

Page 8: ...anism and check the connection to the main PCB Go to Cleaning Maintenance Go to Front Wheel Motor Sensors L wheel speed R wheel speed L wheel current and R wheel current Current should less than about 150 mA on each wheel with a no load speed of 800 1200 p s When applying pressure to each wheel there should be a strong resistance If current is too high and speed is low then check for interference ...

Page 9: ...connection to main PCB Go to Fan Motor Beater current The beater current should be less than 350 units The bar should stop rotating when held If higher current draw then check for damage and interference to bar if this is fine then replace beater bar motor SA If there is no current then check connection to main PCB Go to Cleaning Maintenance Go to Central Brush Motor Diagnosis Software ...

Page 10: ...per sensor error error16 over current of main brush error17 over current of vacuum error18 low voltage of battery error19 no left wheel speed detection error20 no right wheel speed detection error25 battery NTC short circuit error26 battery NTC open circuit error27 no vacuum motor current error31 over current of left wheel motor error32 over current of right wheel motor error33 no dust bin error34...

Page 11: ...Version 1 11 Cleaning Maintenance ...

Page 12: ...Version 1 12 Battery ...

Page 13: ...Version 1 13 Disassembling Before disassembling brushes filter and battery must be removed ...

Page 14: ...Version 1 14 Switch Charger ...

Page 15: ...Version 1 15 Output 24V Switch Charger ...

Page 16: ...Version 1 R 16 L Motor and Wheels ...

Page 17: ...Version 1 17 Front wheel ...

Page 18: ...Version 1 18 Fan Motor ...

Page 19: ...Version 1 19 Central Brush Motor ...

Page 20: ...Version 1 20 Side Brushes Motors ...

Page 21: ...Version 1 21 Side Brushes Motors ...

Page 22: ...Version 1 22 4 Cliff Sensor R L FRONT Cliff Sensor ...

Page 23: ...Version 1 23 Cliff Sensor ...

Page 24: ...Version 1 24 Bumper IR ...

Page 25: ...Version 1 25 5 IR Sensor Bumper IR ...

Page 26: ...Version 1 26 Bumper IR ...

Page 27: ...Version 1 27 Led ...

Page 28: ...Version 1 28 Led RVA425 Only ...

Page 29: ...Version 1 29 Led RVA425 Only ...

Page 30: ...Version 1 30 Switch charger R Motor L Motor Filter Microswitch Motor Fan Brush Motor Base charger Battery Floor Sensor Right Brush Front Whell Left Brush USB Secondary Mainbord Wiring ...

Page 31: ...Version 1 31 IR RIGHT IR LEFT MICROSWITCH RIGHT MICROSWITCH LEFT MAINBOARD LED Wiring ...

Page 32: ...rmal on my robot vacuum 1 Ensure the dust filter is installed properly 2 Ensure there is no obstacle in the brush Why is the robot vacuum action not working normally during cleaning on my robot vacuum Clean the sensor with a soft cloth Why is the operating time short on my robot vacuum 1 Ensure the robot vacuum connects correctly with the charger and the battery is fully charged 2 Leave the robot ...

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