| Symptoms |
Possible cause |
Remedy |
| Motor dose not rotate. |
The power socket is damaged or loose contacted. |
Repair or replace the socket. |
| The plug is damaged or is not intact. |
Replace the plug. |
| The cable is worn or broken. |
Bind up or replace the cable. |
| The switch is not nimble or is damaged or loosened. |
Repaire or replace the switch. |
| The brushes have been worn excessively. |
Replace the brushes. |
| The inner connecting wire of the tool has loosened. |
Connect it tightly again. |
| The stator or the armature is damaged. |
Replace the stator or the armature. |
| Excess sparks occurs on the brush. |
There is conductive electricity matter in the hook groove of copper raft on the commutator. |
Cut off the electricity supply and remove foreign matter. |
| Armature or stator winding is shorted circuit, or armature winding is opened circuit. |
It must be taken to the pro fissional for check and repair. |
| Brush is contacted loosely. |
It should befit again. |
| Speed is stopping apparently. Peculiar smell or abnormal noises appeare. |
Some parts in the tool have been damaged. Stop the operation immediately. And it must be taken to our professional service sections for check and repair. |
| The vibrating head does not vibrate or its vibration is weak. |
There are dirt oil and water etc. inside the vibrating head. |
Clean and dry out the channel, rolling cone, head end and assemble them again. |
| The oil-seal has been damaged. |
Replace the oil seal. |
| The motor temperature rises. |
The air-drain has been stopped up. |
Clean the stopped things of the air drain. |
