Version 1
9
Fan current
Fan current should be less than 400 units. If
higher then check for blockages and interference
to fan, if fine then replace fan SA. If there is no
current then check 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
Summary of Contents for RVA420B
Page 1: ...Version 1 SERVICE MANUAL ROBOTIC VAC BLACK DECKER RVA425B RVA420B 1 ...
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 31: ...Version 1 31 IR RIGHT IR LEFT MICROSWITCH RIGHT MICROSWITCH LEFT MAINBOARD LED Wiring ...
