Planmeca PlanMill 40 - Circulation System Problems

Chapter D: Troubleshooting
Technical manual Planmeca PlanMill 40 79
1.5 Circulation system problems
Table 17: Circulation system problems
Damaged/worn mandrel
cam
Replace mandrel cam.
Damaged/worn mandrel
holder
Replace tool changer assembly:
2.4 "Tool changer" on page 127
Defective block/mandrel
assembly
Scrap bad block/mandrel, replace with new one.
Symptom Problem Solution
Fluid pressure error
Coolant level too low Add water to fluid tank.
Debris on suction strainer Remove debris:
2 "Maintenance procedures" on page 26
Debris on suction basket Remove debris:
2 "Maintenance procedures" on page 26
Pump is cavitating Prime pump:
2.11.1 "Circulation pump" on page 150
Air leak on suction side of
pump
Tighten suction fittings and suction hose clamps:
2.11.1 "Circulation pump" on page 150
Defective fluid pressure
sensor
Replace fluid pressure sensor:
2.11.2 "Water pressure switch" on page 153
Defective circulation pump Replace circulation pump:
2.11.1 "Circulation pump" on page 150
Defective CPU module Replace CPU module:
2.2.2 "CPU module" on page 102
Defective pump cable Replace pump cable.
Defective power supply
module
Replace power supply module:
2.2.1 "Power supply module" on page 100
Defective fluid pressure
sensor cable
Replace fluid pressure sensor cable:
2.11.2 "Water pressure switch" on page 153
Circulation pump is noisy
Symptom Problem Solution