LiteOn EVO 6800 Series - Page 218

218
Keypad
Display
Fault Name
Cause
Possible Solution
but the alarm continues to occur,
replace either the entire drive or
the control board. Contact the
local distributor for more
information.
LF1
Output Phase Loss
Phase loss on the drive
output side
1. The output cable is not
connected
2. The motor winding is
impaired
3. The output terminal is
loose
4. The rated current of the
motor being used is 5% less
than the drive rated current
5. An output transistor is
impaired
6. A single phase motor is
activating
1.Check the errors for wiring
then properly connect the
output cable
»Correct the wiring
2.Check the resistance which
located between motor lines
»If the winding is impaired,
replace the motor
3.Use tightening torque which
showed in the manual in order to
fasten the terminal
4.Check motor capacities and the
drive
5.The drive cannot run a single
phase motor
LF2
Retain
FbH
PID Feedback High
1. Incorrect parameter
settings
2. Incorrect PID feedback
wiring
3. Feedback sensor
malfunction
1. Reset b5-22 and b5-23
2. Correct the wiring
3. Check the sensor
FbL
PID Feedback Low
1. Incorrect parameter
settings
2. Incorrect PID feedback
wiring
3. Feedback sensor
malfunction
1. Reset b5-12 and b5-13
2. Correct the wiring
3. Check the sensor
bUS
Retain
CE
Modbus
Communication Error
1. Incorrect wiring
2. Communication data
error caused by noise
1. Correct the wiring
»Check short circuits and
disconnected cables, repair if
necessary