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English-64
TROUBLESHOOTING
Problem Possible causes Solution
Clutch will not engage
Blown fuse. • Low coil resistance. Replace with new MagStop unit.
• Defective battery. Replace.
• Faulty charging system. Repair or replace.
• Bad wiring or connections,
PTO switch Repair or replace.
Low voltage supply. • Defective battery. Replace.
• Faulty charging system. Repair or replace.
• Bad wiring or connectors, Repair or replace.
PTO switch.
Incorrect coil resistance. • Damaged coil. Replace with new MagStop unit.
Inadequate current supply • Broken clutch lead wire. Repair.
• Faulty electrical system. Measure coil resistance and supply
voltage at the clutch. If both are
correct, electrical system is faulty.
Repair or replace.
Rotor/armature air gap too • Rotor/armature wear. End of Replace with new MagStop unit.
large (more than useful life.
0.125"/3.18 mm)
Brake will not engage
Armature/brake poles • End of useful life. Replace with new MagStop unit.
worn out.
Contaminated friction • Engine oil leak on brake. Repair leak.
surfaces. Replace with new MagStop unit.
Clutch slips
Low voltage supply. • Defective battery. Replace.
• Faulty charging system. Repair or replace.
• Bad wiring or connectors, Repair.
PTO switch
Inadequate • Broken clutch lead wire. Repair.
current supply. • Faulty electrical system. Measure clutch coil resistance and
supply voltage at the clutch. If both
are correct, electrical system is