Troubleshooting | 11
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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.
SCH
Mink
B
U
IS
CPL
SV
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 discharge connection.
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.
The pressure system or
pressure line is not leak-
tight.
• Check the hose or pipe
connection for leakage.
The pressure relief valve/
regulating system (SV) is
misadjusted or defective.
• Adjust, repair or replace,
respectively.
Internal parts are worn or
damaged.
• Repair the machine (con-
tact Busch).
Partial clogging in the dis-
charge or pressure line.
• Remove the clogging.
