Problem
faced |
Area
concerned |
Corrective
action |
| Motor doesn’t run on applying voltage |
Applied Voltage
Connecting wires
Drive setting
Overload
Capacitor in case
of single phase |
Apply rated voltage Check continuitySet drive properly
Remove overloadConnect capacitor of given rating. |
| Change in direction of rotation of motor |
Phase sequence altered
Improper capacitor
connection |
Change any two phases
Connect capacitor as per given diagram |
| Motor mechanically jammed |
Bearing
Load |
Check for bearing replace if necessary.
Check whether rated load properly connected. |
| Motor gets heated up. |
Load
Broken Fan
Single phasing |
Remove overload
Replace fan
Check Supply |
| Breakage or Bending of shaft |
Shaft |
Replace rotor/ motor |
| Irregular / Undesired sound from motor |
Origin of sound
Bearing
Fan & fan cover
Bend in shaft |
Remove foreign material present inside, if anyDamaged
bearingsFan touching coverShaft to be replaced |
| Physical Damage of any kind |
|
Replace concerned part |
