Goodrive20-EU Series VFD
Fault tracking
-112-
Fault
code
Fault type
Possible cause
Solutions
STL2
[39] Channel H2
abnormal
Fault or internal hardware
circuit fault occurred to H2
channel
manufacturer.
STL3
[40] Internal
circuit abnormal
Fault or internal hardware
circuit fault occurred to H1
and H2 channels
simultaneously
CrCE
[41] Safe code
FLASH CRC
check fault
Error occurred to STO safe
code FLASH CRC check
Contact the manufacturer.
STO alarm
1. When the hundreds of P11.16 is set to 0, the STO alarm is locked.
As shown in below fig 1, When H1 and H2 are 'OFF' during operation (safety function is
required), the drive enters safety mode and stops output. STO alarm will only be disappeared
once reset action is valid. External running command need to be reset for the drive to execute
running command again.
Running
command
Running
VFD output
Running
Stop
Running
Reset
Reset (RST)
Running
Stop
H1
H2
ON
ON
ON
ON
OFF
OFF
2. When the hundreds of P11.16 is set to 1, the STO alarm will be unlocked
As shown in below fig 2, alarm unlock means when STO appears, the STO alarm will
disappear automatically after state restoration, which requires no reset action. After reset of
external running command, the drive will execute running command again.
Summary of Contents for Goodrive20-EU VFD Series
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