INVT Goodrive350-19 Series Operation Manual page 392

Goodrive350-19 series VFD for crane
Fault
Fault type
code
overtemperature
STO Safe torque off
Exception
occurred to safe
STL1
circuit of channel
Exception
occurred to safe
STL2
circuit of channel
Exception
occurred to
STL3
channel 1 and
channel 2
Safety code
CrCE FLASH CRC
check fault
Repetitive
E-Err expansion card
Encoder UVW
ENCUV
loss fault
Failed to identify
F1-Er the expansion
card in card slot 1
Possible cause
terminal is valid.
fault The temperature detection
resistance is abnormal.
Long-time overload running or
exception occurred.
Safe torque off function is
enabled by external forces.
The wiring of STO is improper;
Fault occurred to external
switch of STO;
Hardware fault occurred to
1
safety circuit of channel 1
The wiring of STO is improper;
Fault occurred to external
switch of STO;
Hardware fault occurred to
2
safety circuit of channel 2
Hardware fault occurred to STO
circuit.
Control board is faulty.
The two inserted expansion
cards are of the same type
type
No electric level variation
occurred to UVW signal
There is data transmission in
interfaces of card slot 1,
however, it cannot read the card
type.
overtemperature input terminal
(terminal function 57).
Check whether the temperature
sensor is proper;
Check the motor, and perform
maintenance on the motor.
/
Check whether terminal wiring of
STO is proper and firm enough;
Check whether the external
switch of STO can work properly;
Replace the control board.
Check whether terminal wiring of
STO is proper and firm enough;
Check whether the external
switch of STO can work properly;
Replace the control board.
Replace the control board.
Replace the control board.
You should not insert two cards
with the same type. Check the
type of expansion card, and
remove one card after power-off.
Check the wiring of UVW;
Encoder is damaged.
Confirm whether the expansion
card inserted can be supported;
Stabilize the expansion card
interfaces after power-off, and
check whether the fault persists at
next power-on.
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Troubleshooting
Solution