INVT GD20-1R5G-S2-EU

Goodrive20-EU series VFD Fault tracking
112
Running
command
Running
Stop
H1
VFD output
Running
Stop
Running
ON ON
OFF
Reset
Reset (RST)
H2
ON
STL 2 fault
As shown in below fig 4, when the hardware circuit of safety circuit 2 is abnormal while that of
H1 signal is normal, namely, when H2 is abnormal during operation (safety function is
required), the drive enters safety mode and stops output no matter whatever the running
command is. Despite of reset commands and external running command reset, the drive will
not execute running command again, and it is STL2 alarm locked all the time.
Running
command
Running
Stop
H1
VFD output
Running
Stop
Running
ON ON
OFF
Reset
Reset (RST)
H2
ON
6.2.4 Other states
Fault code
Fault type
Possible cause
Solutions
PoFF
System power off
System power off or low DC
voltage
Check the grid