LEMAN cutting wheels Grinders Common Faults and exclusion method:

Common Problems and Solutions

Motor does not rotate (electromagnetic sound)

Reason: 1, starting capacitor damage; 2, three-phase metal cutting wheels‍ power-off phase; 3, the power switch is damaged; 4, bearing stuck; 5, winding burnout tile cutting wheels.

Remedy: 1, replacement capacitors; 2, Chaxiu circuit; 3, replace the power switch; 4, replace the bearings; 5, repair winding

Motor does not turn (no electromagnetic sound)

Reason: a power switch is damaged; 2, power outages; 3, winding burnout

Remedy: 1, replace the power switch; 2, waiting for power; 3, repair winding

Fragile or excessive wheel wear

Reason: 1, wheel type is not correct; 2, wheel expired or poor quality; 3, bearing damage; 4, incorrectly installed

Remedy: 1, corresponding to the type of turbo saw blade replacement wheel; 2, replace qualified wheel; 3, replace the bearings; 4, properly installed

Sound is not normal

Reason: 1, bearing wear serious; 2, wheel installed incorrectly; 3, indeed phase operation; 4, winding fault

Remedy: 1, replacement of bearings; 2, properly installed wheel; 3, Chaxiu power; 4, Chaxiu winding

Winding burned

Reason: a stator, a rotor sweep chamber; 2, three-phase motor-phase operation; 3, single-phase motor 380V power mistakenly access

Remedy: 1, replacement of diamond reinforced conrete bearings; 2, Chaxiu power; 3, Chaxiu power‍