
troubleshooting (Saw)
Table 8. Saw Troubleshooting
Symptom | Possible Problem  | Solution  | |
  | 
  | 
  | |
  | Power cord not properly fixed/plugged in  | Check that the machine is properly  | |
  | connected to the power supply  | ||
  | 
  | ||
  | Power cord defective  | Have the power cord checked, replace if  | |
  | necessary  | ||
  | 
  | ||
  | 
  | 
  | |
Machine does not run when switched on  | Main power switch defective | Have the main power switch checked and | |
replaced if necessary by a qualifed electrician  | |||
  | 
  | ||
  | 
  | 
  | |
  | Loose electrical connection inside the electric  | Have the whole electric system of the  | |
  | system  | machine checked by a qualified electrician  | |
  | Motor defective  | Have the motor checked and replaced if  | |
  | necessary by a qualified technician  | ||
  | 
  | ||
  | 
  | 
  | |
  | Too much pressure exerted while cutting  | Exert less pressure when cutting  | |
  | 
  | 
  | |
  | Incorrect specification for saw blade  | Use a saw blade which corresponds to the  | |
Motor stops (power cuts out)  | material being cut  | ||
  | |||
  | 
  | 
  | |
  | Saw has a defective electric system  | Have the electric system of the saw checked  | |
  | by a qualified technician | ||
  | 
  | ||
  | Power cord/extension cable too long or cable  | Use a power cord/extension cable of the  | |
  | rated length, use a cable drum with cable  | ||
  | still wound up inside cable drum  | ||
  | fully extended  | ||
  | 
  | ||
  | 
  | 
  | |
Poor machine performance, little power  | 
  | Observe the electrical ratings of the machine  | |
Power network is insufficient  | and connect it only to a power network which  | ||
  | |||
  | 
  | complies with these ratings  | |
  | 
  | 
  | |
  | Drive motor no longer runs at rated speed  | Have the motor checked by a qualified  | |
  | (RPM) | electrician and replace if necessary  | |
  | 
  | 
  | |
  | The water pump draws air  | Fill the water tray with water  | |
  | 
  | 
  | |
Insufficient flow of cooling water or no cooling  | Filter clogged  | Clean the filter of the water pump  | |
water at all  | 
  | 
  | |
Pump wheel of the immersion pump is  | Disassemble the immersion pump and clean it  | ||
  | |||
  | blocked by dirt  | ||
  | 
  |