Astraada AS24DRV4075, Руководство по эксплуатации

Страница: 93 / 129

Astraada DRV-24 frequency inverters Fault tracking
91
Fault code Fault type Possible cause Solutions
PCE
Keypad
communication
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 keypad cable
and and ensure it is
normal;
Check the environment
and eliminate the
interference source;
Change hardware and ask
for maintenance service.
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 and ask
for maintenance service;
Change hardware and ask
for maintenance service.
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 and ask
for maintenance service;
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.There is a great
difference between the
actual motorpower
setting and the inverter
power
1.Check if the connection
of the motor is normal or
not
2.Change the hoare
3.Change the main
control panel
4.Reset the correctmotor
parameter
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 Solutions
PoFF System power off
System power off or low DC
voltage
Check the grid