Fault information and trouble shooting
72
SINAMICS V50 converter
Operating Instructions, 04/2022, FW V1.0, A5E44777205B AB
Trip
code
Trip Type Possible causes Solutions
EF0
Communication
fault
1. Baud rate and parity
checksum is set
incorrect
2. Communication
interrupted for long
time
1. Check communication
parameters correct or not.
2. Check the interface
wiring.
EF1
External terminal
fault
1. Faults comes from
external control circuit
1. Check the external input
SP1 Input phase loss
1. Input RST have
phase loss or
imbalance
1. Check input voltage
SPO Output phase loss
1. There is lack of UVW
when output
2. There is a serious
unbalance in output
1. Check U-V-W motor wiring
2. Check the load
EEP EEPROM error
1.Function code
parameter writing
error
2. EEPROM damaged
1. Recover factory defaults
2. Ask for service from
supplier
CCF
Keypad & control
board
communication
interrupted
1.Connection cable
between keypad and
control panel is broken
1. Check the connection
cable between keypad and
control panel
bCE Brake unit fault
1. The braking line or
braking pipe is broken
2. Brake resistor is too
lower
1. Check the brake unit,
change the brake pipe.
2. Choose the suitable
braking resistor.
PCE
Parameter copy
Error
1. Too long connection
cable between keypad
and control board
leads to interference in
parameters
transmission.
2. The downloading
parameters do not
match the existed
parameters in the
drive.
1. Shorten the cable
between Keypad and control
board to reduce
interference.
2. Before downloading,
make sure the parameters
match the drive.
IDE
IDE Hall current
detection fault
1. The current
sensoring or hall
device get damaged.
1. Ask for service from
supplier
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