![ceiling sander for drywall with vacuum](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
TROUBLESHOOTING
PROBLEM:
Cause: 1) Wires in the main plug or in the socket are loose. 2) The switch is faulty.
Solution: 1) Have the socket and plug checked by an authorized technician. 2) Have the switch replaced by an authorized technician.
- Unusual noises occur during operation/Motor is not working properly.
Cause: 1) Switch contact has failed. 2) Components have jammed. 3) Too high of load has been applied.
Solution: 1) Have the switch replaced by an authorized technician. 2) Have the tool checked and repaired. 3) Using less pressure during sanding operations.
Cause: 1) Foreign substances have gotten inside the motor. 2) Too high of load has been applied.
Solution: 1) Have the foreign substances removed. 2) Have the switch replaced by an authorized technician.
- Frequent sparks occur on the commutator
Cause: 1) There is a short circuit in the motor(armature) 2) Carbon brushes are worn out or jammed.
Solution: 1) Have the armature replaced. 2) Have the carbon brushes checked.