Salicru CV30, User Manual, Page: 98 / 140

98 - 140 Fault Tracking
Fault code Fault type Possible cause What to do
UPE
Parameter upload
error
The keypad is not in good
connection or offline;
The keypad cable is too long
and there is strong interference;
Part of the communication
circuits of the keypad or main
board have fault.
Check the environment and
eliminate the interference
source;
Change hardware;
DNE
Parameter download
error
The keypad is not in good
connection or offline;
The keypad cable is too long
and there is strong interference;
Data storage error in keypad Check the environment and
eliminate the interference
source;
Change hardware
Backup data in the keypad again
ETH1
Grounding shortcut
fault 1
1.The output of the inverter is
short circuited with the ground
2.There is fault in the current
detection circuit
3.
The actual motor power
sharply differs from the inverter
power.
1.Check if the connection of the
motor is normal or not
2.Change the board
3.Change the main control panel
4.Set motor parameters
correctly
ETH2
Grounding shortcut
fault 2
LL
Electronic underload
fault
The inverter will report the
underload pre-alarm according
to the set value.
Check the load and the
underload pre-alarm point.
6.2.4 Other states
Fault code Fault type Possible cause What to do
PoFF System power off System power off or low DC voltage Check the grid