LiteOn EVO 8000 Series, User Manual

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133
Keypad
Display
Fault Name Cause Possible Solution
2. Incorrect PID feedback
wiring
3. Feedback sensor
malfunction 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
2. Check possible solution to
suppress the noise
CF Retain
Err Retain
oS
Overspeed
The motor speed
exceeded F1-09
setting
1. Overshoot
2. Incorrect speed feedback
scaling if terminal RP is used as
speed feedback input in V/F
control
3. Incorrect PG pulse number
settings
4. Incorrect parameter settings
1. Increase the C4-00 (ASR
Proportional Gain 1) and
C4-01(ASR Integral Time 1)
2 . Reset F1-09 (Overspeed
Detection Level ) and F1-10
(Overspeed Detection Delay Time )
PGo
PG Open ( for
closed-loop control
method)
No PG pulses are
received within the
time set to F1-07
1. The PG cable is opened
2. The PG cable wiring is
wrong
3. The PG has no power supply
4. PG is being braked
1. Connect the cable
2. Correct the wiring
3. Check the power cable wiring
4. Ensure the mechanical brake is
released when the motor is
operating
Sto Retain
FAnEr
Internal Fan Fault
Fan or magnetic
contactor failure 1. Cooling fan malfunction
2. Fault detected in the
magnetic contactor or the
internal cooling fan
1. Cycle power to the drive
» Check the fan operation
» Verify the cumulative operation
time of the fan with monitor U3-01
»If the cooling fan is damaged in