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