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12 | Troubleshooting
28 | 36
Instruction Manual PANDA WZ 0250-0500 B_EN_en
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.
The motor is not supplied with
the correct voltage.
●
Check the power supply.
The lobes are jammed or
seized.
●
Lobes inspection or repair
the machine (contact
Busch).
Solid foreign matter has
entered the machine.
●
Remove the solid foreign
matter or repair the
machine (contact Busch).
●
Equip the machine with a
mesh screen at the suction
connection.
The temperature switch (TS)
reached the switch point.
●
Let the machine cool down.
●
See problem “The machine
runs too hot”.
The motor is defective.
●
Replace the motor.
The machine does not reach
the usual pressure.
Suction or discharge lines too
long or section diameter too
small.
●
Use larger diameter or
shorter lines.
●
Seek advice from your local
Busch representative.
The backing pump is not
correctly defined.
●
Contact Busch.
The machine runs in the wrong
direction.
●
Check the direction of
rotation, see
Internal parts are worn or
damaged.
●
Repair the machine (contact
Busch).
The machine runs very noisily.
Wrong oil quantity or
unsuitable oil type.
●
Use one of the
recommended oils in the
correct quantity, see
Defective gears, bearings or
coupling element.
●
Repair machine (contact
Busch).