BUSCH Mink MV 0310 B, Instruction Manual

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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.
VRE IS CPL
Problem Possible Cause Remedy
The machine does not start. The variable-frequency
drive (VFD) is not supplied
with the correct voltage.
• Check the power supply.
The motor or the variable
frequency drive (VFD) is
defective. • Replace the motor or the
variable-frequency drive
(VFD).
The coupling (CPL) is de-
fective. • Replace the coupling
(CPL).
The machine does not
reach the usual pressure on
the suction connection. The inlet screen (IS) is par-
tially clogged. • Clean the inlet screen
(IS).
The vacuum relief valve
(VRE) is misadjusted or de-
fective. • Replace the vacuum re-
lief valve (VRE)
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).