TROUBLE SHOOTING GUIDE
CONDITION | CHECKPOINT | METHOD OF INSPECTION | CAUSE / REMEDY | ||
|
|
|
|
| |
Motor fails to rotate. | Power cord | Check power cord continuity between | If there is no continuity, | ||
(no noise is heard | connection. | plug pins and contact base. | replace the power cord. | ||
at all). |
|
|
| ||
Motor continuity. | Check motor continuity between carbon | If there is no continuity, replace | |||
|
| ||||
|
|
| brush holder tabs. | the motor. | |
|
|
|
|
| |
|
| Carbon brushes. | Check if there is gap between | If there is gap between carbon | |
|
|
| carbon brush and conmutator. | brush and conmutator, replace | |
|
|
|
| both carbon brushes. | |
|
|
|
|
| |
|
| ON/OFF Switch. | Check continuity across switch | If there is no continuity, replace | |
|
|
| connections. | ON/OFF switch. | |
|
|
|
|
| |
|
| Thermal | Check continuity across | If there is no continuity, | |
|
|
| thermal | replace thermal | |
|
|
|
|
| |
|
| Triac. | Check if the triac is in open circuit. | If it is in open circuit, replace it. | |
|
|
|
| replace power control circuit. | |
|
|
|
|
| |
|
| Power control circuit. | Check if the diac is in open circuit. | If it is in open circuit, | |
|
|
|
| replace power control circuit. | |
|
|
|
|
| |
|
| Sliding potentiometer. | Check if the potentiometer is in | If it is in open circuit, replace it. | |
|
|
| open circuit or if the lead wires | If the lead wire connections | |
|
|
| connection are not correct. | are not correct, repair them. | |
|
|
|
| ||
Motor runs but there | Hose or Suction inlet. | Check if there is any blockage | If there is any blockage, | ||
is no suction. |
| in the hose or suction inlet. | remove it. | ||
|
|
|
|
| |
|
| Dust bag / Central filter. | Check if dust bag is full or dust | If the paper bag is full, replace it. | |
|
|
| accumulated in central filter. | If the central filter is dirt, | |
|
|
|
| clean or replace it. | |
|
|
|
| ||
Noise or vibration. | Motor fan | Check dust accumulated in motor fan | If there is dust accumulated in | ||
|
|
| (it could happen if the vacuum cleaner | motor fan, replace the motor and | |
|
|
| has been used with a broken dust bag | check filter condition. (never try to | |
|
|
| or without central filter). | dismantle the motor fan). | |
|
|
|
| ||
Motor does | Sliding potentiometer. | Check if the potentiometer is | If it is | ||
not change power. |
|
| |||
(Runs always |
|
|
| ||
|
|
| |||
at full speed) | Power control circuit | Check if the power control circuit is | If it is | ||
|
|
|
| ||
|
|
|
| ||
Motor runs | Sliding potentiometer | Check possible bad contact of the | If there is bad contact, | ||
irregularly. |
| sliding potentiometer tabs. | replace the sliding potentiometer. | ||
|
|
|
|
|
17