LiteOn EVO 8000 Series - Page 125

122
Keypad
Display
Fault Name
Cause
Possible Solution
The current has dropped
below the torque
detection level set to
P6-01 for longer than the
time set to P6-02
settings
2.Malfunction on machinery
side
2. Ensure there is no problem on
the machinery side.
Ut2
Undertorque Detection 2
The current has dropped
below the torque
detection level set to
P6-04 for longer than the
time set to P6-05
1. Incorrect parameter
settings
2.Malfunction on machinery
side
1. Reset P6-04 and P6-05
2. Ensure there is no problem on
the machinery side.
UL
Mechanical Weakening
Detection for
Undertorque
Undertorque in the
conditions set to P6-06
Undertorque in the
conditions set to P6-06
Check the condition of mechanical
weakening
oL
Mechanical Weakening
Detection for Overtorque
Overtorque in the
conditions set to P6-06
Overtorque in the
conditions set to P6-06
Check the condition of mechanical
weakening
oS
Overspeed
The motor speed
feedback exceeded the
level set to F1-09
1. Overshoot occurs
2. Incorrect PG pulse train
settings
1. Increase setting of 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 )
bb
Baseblock
Drive output interrupted
by an external baseblock
signal
An external baseblock signal
was input via one of the
multi-function input
terminals (S1 to S8)
Check baseblock signal input timing
and external sequence
oH2
Drive Overheat Warning
Drive Overheat Warning
input via a multi-function
input terminal (S1to S8 )
An overheat warning in the
drive was triggered by an
external device
1. Search the device which caused
the overheat warning. Remove the
cause of the problem.
2. Reset Drive Overheat Warning
input at the assigned multi-function