TECHTOP TD20 Series Product Manual page 96

TD20 Series VFD
Fault code Fault type
Grounding shortcut
ETH2
Electronic underload
LL
6.2.4 Other states
Fault code Fault type
PoFF System power off
2. There is fault in the current
detection circuit
3. There is a great difference
fault 2 between the actual
motorpower setting and the
VFD power
The VFD will report the
underload pre-alarm
fault
according to the set value.
System power off or low DC
voltage
Possible cause
Possible cause
-94-
Fault Tracking
Solutions
2. Change the hoare
3. Change the main control
panel
4. Reset the correctmotor
parameter
Check the load and the
underload pre-alarm point.
Solutions
Check the grid