Lenze EVF8202-E User Manual

Troubleshooting and fault elimination
820XBA1097 8-3
8.3 Fault indications
Display Fault Cause Remedy
--- No fault - -
EEr External fault (TRIP-Set) A digital input assigned to the
TRIP-Set function has been
activated
Check external encoder
H05 Internal fault Contact Lenze
LU Undervoltage DC-bus voltage too low - Check mains voltage
- Check supply module
OC1 Short circuit
Short circuit Find out cause of short circuit; check
cable
Excessive capacitive charging
current of the motor cable
Use motor cable which is shorter or of
lower capacitance
OC2 Ear t h f ault
Grounded motor phase Check motor; check cable
O
C
2
E
a
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t
h
f
a
u
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t
Excessive capacitive charging
current of the motor cable
Use motor cable which is shorter or of
lower capacitance
OC3 Overload inverter during
acceleration or short
c
i
r
c
u
i
t
Acceleration time too short
(C012)
- Increase acceleration time
- Check drive selection
a
c
c
e
l
e
r
a
t
i
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n
o
r
s
h
o
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c
i
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Defective motor cable Check wiring
Interturn fault in the motor Check motor
OC4 Overload controller during
deceleration
Deceleration time too short
(C013)
- Increase deceleration time
- Check the selection of the brake
resistor or connect the brake
chopper
OC5 Ixtoverload
Frequent and too long
acceleration processes with
overcurrent
Check drive dimensioning
Permanent overload with
I
motor
>1.05xI
Nx
OC6 Overload motor
Motor is thermally overloaded, for
instance, because of
- impermissible continuous
current
- Check drive selection
- frequent or too long
acceleration processes
- Check the setting under C120
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Lenze EVF8202-E Specifications

General

Brand	Lenze
Model	EVF8202-E
Category	DC Drives
Language	English