Panasonic MC-BJ870-S149 Service Manual page 18

6.2.1. Confirming order for the symptoms and parts to be checked
Confirmation code A: The vacuum cleaner does not work even when the "AUTO/HIGH" switch is pressed.
(The battery status indicator lamp does not light up and the motor fan unit and Nozzle motor unit do not
work.)
Confirmation code B: The vacuum cleaner does not work even when the "AUTO/HIGH" switch is pressed.
(The battery status indicator lamp lights up, but the motor fan unit and Nozzle motor unit do not work.)
Symptom No.
1 Lithium-ion battery
2 P.C.B B unit
3 P.C.B K unit
4 Lead wire A assy
5 Motor assy
6 P.C.B A unit
Confirmation code C: The vacuum cleaner sometimes does not work even when the "AUTO/HIGH" switch is
pressed.
Symptom No.
1 P.C.B B unit
2 Lead wire A assy
3 Motor assy
4 P.C.B A unit
Confirmation code D: The Nozzle motor unit does not work even when the "AUTO/HIGH" switch is pressed.
(The motor fan unit works.)
Symptom No.
1 Nozzle motor unit
2 Connector pipe
3 P.C.B E unit
4 Lead wire A assy
5 P.C.B B unit
6 P.C.B A unit
Confirmation code E: The vacuum cleaner's operating mode does not change even when the "AUTO/HIGH"
switch is pressed.
Symptom No.
1 P.C.B B unit
2 P.C.B A unit
3 Motor assy
Confirmation code F: The vacuum cleaner's operating mode changes by itself.
Confirmation code G: The vacuum cleaner does not shut down even when the "OFF" switch is pressed.
Symptom No.
1 P.C.B B unit
2 P.C.B A unit
Confirmation code H: The Nozzle motor unit does switch off or on even when the "BRUSH OFF/ON" switch is
pressed.
Confirmation code I: The rotating brush sometimes stops.
Confirmation code J: The rotating brush stops during operation.
Symptom No.
1 P.C.B B unit
2 Lead wire A assy
3 P.C.B A unit
Check point
Check point
Check point
Check point
Check point
Check point
18
Reference
6.3.2.1.Checking the Lithium-ion battery
6.3.3.3.Checking the P.C.B B unit
6.3.3.4.Checking the P.C.B K unit
6.3.3.6.Checking Lead wire A assy
6.3.3.1.Checking the Motor assy
6.3.3.2.Checking the P.C.B A unit
Reference
6.3.3.3.Checking the P.C.B B unit
6.3.3.6.Checking Lead wire A assy
6.3.3.1.Checking the Motor assy
6.3.3.2.Checking the P.C.B A unit
Reference
6.3.4.1.Checking the Nozzle motor unit
6.3.4.3.Checking the Floor nozzle pipe unit
6.3.4.2.Checking the P.C.B E unit
6.3.3.6.Checking Lead wire A assy
6.3.3.3.Checking the P.C.B B unit
6.3.3.2.Checking the P.C.B A unit
Reference
6.3.3.3.Checking the P.C.B B unit
6.3.3.2.Checking the P.C.B A unit
6.3.3.1.Checking the Motor assy
Reference
6.3.3.3.Checking the P.C.B B unit
6.3.3.2.Checking the P.C.B A unit
Reference
6.3.3.3.Checking the P.C.B B unit
6.3.3.6.Checking Lead wire A assy
6.3.3.2.Checking the P.C.B A unit