Chapter 6 Troubleshooting
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Chapter 6 Troubleshooting
Table 6-1 lists the possible faults of FV100, error code E001~E040. When VFD reports error, users could check this list and
record the detailed fault phenomena before seeking service from supplier.
Table 6-1 Faults
Hardware or software over current during acceleration
Hardware or software over current during deceleration.
Hardware or software over current during running in constant speed.
Hardware or software over voltage during acceleration.
Hardware or software over voltage during deceleration.
Hardware or software over voltage during running in constant speed.
Input voltage is too high
18.5kw below models.output current is detected too large; 22kw above models.IGBT module is
detected voltage drop too large.
IGBT module’s heatsink overheat.
Rectifer’s heatsink overheat.
Running current is larger than VFD rated current for long time.
Running current is larger than motor rated current for long time.
VFD can not get communication with host.
Power board/drive board/contactor damage causes contactor abnormal.
Hall/drive board abnormal causes current detective circuit fault.
Keyboard parameter copy error
Auto tunning fault in vector control.
Encoder signal fault in lose-loop control
VFD running current is detected smaller than set value of load lost.
VFD output is short circuit to earth
VFD running speed and encoder detected speed deviation exceeds allowed value.
Extension card and control board SPI communication fault
Note.
VFD braking resistor short circuit may lead to VFD braking unit damage.