11 | Troubleshooting
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11 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.
Illustration showing parts that may be involved during troubleshooting:
Problem Possible Cause Remedy
The machine does not start. The motor is not supplied
with the correct voltage.
• Check the power supply.
The motor is defective. • Replace the motor.
The coupling (CPL) is de-
fective.
• Replace the coupling
(CPL).
The machine does not reach
the usual pressure on the
suction connection.
Oil level too low. • Top up oil.
The inlet screen (IS) is par-
tially clogged.
• Clean the inlet screen (IS).
The inlet filter cartridge (op-
tional) is partially clogged.
• Replace the inlet filter
cartridge.
Internal parts are worn or
damaged.
• Repair the machine (con-
tact Busch).
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