9 | Troubleshooting
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0870166596_MV0040-0080C-D_PCI_A0004_IM_de_MD
9
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.
For the solution of problems not mentioned in the troubleshooting chart contact your
Busch representative.
9.1 Fault Tracing
Fault
code
Fault name
Possible cause
Remedy
1
Overcurrent
Vacuum pump is blocked
Repair the vacuum pump
(Busch Service)
2
Overvoltage
DC-link voltage has ex-
ceeded the limits defined.
Check the input voltage
3
Earth fault
Insulation failure in cable of
motor
Check motor cables and
motor
8
System fault
Component fault, malfunc-
tion
Reset the fault and restart.
Should the fault re-occur,
contact your Busch repre-
sentative
9
Undervoltage
DC-link voltage is under
the voltage limits defined.
In case of temporary sup-
ply voltage break reset the
fault and restart the AC
drive. Check the supply
voltage. If it is adequate,
an internal failure has oc-
curred. Repair the vacuum
pump
(Busch Service)
10
Input phase
Input line phase is missing Check supply voltage,
fuses and cable.
13
Inverter under-
temperature
Ambient temperature be-
low -10°C
Check the ambient temper-
ature.
14
Inverter overtem-
perature
Ambient temperature too
high
Check the ambient temper-
ature.
15
Motor stalled
Motor is stalled
Repair the vacuum pump
(Busch Service)
25
Watchdog
Error in the microprocessor
monitoring, malfunction,
component, fault
Reset the fault and restart.
If the fault occurs again,
please contact your Busch
representative
Содержание Mink MV 0040 C
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