Troubleshooting | 12
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12 Troubleshooting
DANGER
Live wires.
Risk of electrical shock.
• Electrical installation work must only be executed by qualified personnel.
CAUTION
Hot surface.
Risk of burns!
• Prior to any action requiring touching the machine, let the machine cool down first.
Problem
Possible Cause
Remedy
The machine does not start. Low ambient temperature.
• Observe the permitted
ambient temperature.
The motor is not supplied
with the correct voltage.
• Check the power supply.
Solid foreign matter has
entered the machine.
• Remove the solid foreign
matter or repair the ma-
chine (contact Busch).
Internal parts are worn or
damaged
• Repair the machine (con-
tact Busch).
The motor is defective.
• Replace the motor.
The coupling is defective.
• Replace the coupling.
The machine does not reach
the usual pressure on the
suction connection.
Oil level too low.
• Top up oil.
The oil is not circulating.
• Conduct an overhaul
(contact Busch).
Oil has deteriorated.
• Perform a non load oper-
ation with vacuum valve
closed and gas ballast
valve open or replace the
oil.
The inlet screen is partially
clogged.
• Clean the inlet screen.
The inlet filter cartridge (op-
tional) is partially clogged.
• Replace the inlet filter
cartridge.
Measurement method or
reading is false.
• Check gauge, check final
pressure without installa-
tion connected.
Leak in the system.
• Repair leak.
Internal parts are worn or
damaged.
• Repair the machine (con-
tact Busch).
The machine runs very nois-
ily.
Worn coupling.
• Replace the coupling.
Oil level too low.
• Top up oil.
The oil is not circulating.
• Conduct an overhaul
(contact Busch)
Internal parts are worn or
damaged.
• Repair the machine (con-
tact Busch).
