Veichi AC300 Series, Техническое руководство

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AC300 Series Vector Control Inverter Manual Fault Diagnoses and Processing
38
5.3 Fault Diagnoses Process
System fault diagnoses process
reduced or not
valuecan be
system fault
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes yes
yes
yes
no
no
no
no
no
no no no
no
no
no
no
no
no
Clear short circuit
Whether there is short circuit between outout terminal U/V/W and the motor
Short the cable or
add outout reactor
Cable between output terminal U/V/W and motor
is too long that leakage current cause inverter protection
Clear disturbance
Is there serious electromagnetic disturbance?
While disconnect output wire and run,whether there is system fault alarm
Three phase outout voltage balance is ok or not?
Whether overload or not?
Connect load and
operate as follows
Reduce load or
enhance power
Display E.SC
while start Display E.SC
while stop Display E.SC while
constant speed
Display E.SC while
machine stop
Torque enhance value
is suitable or not
Whether acceleration
time is too short
Whether deceleration
time is too short
Whether load
change suddently
Torque enhance ACC time can be
prolonged or not
Dec time can be
prolonged or not
Reduce load change
or enhance power
Reduce
Prolong setting time
Check braking mode,
seek tec support
Reduce load or
enhance power
Inverter fault or misaction caused by
noises.Pls find technic support
AC300 Series Vector Control Inverter Manual Fault Diagnoses and Processing
39
Over-current diagnoses process
Check braking mode
and seek for technic support
Reduce load change
or improve power
Reduce load change
or improve power
Whether set longer
decelerationtime Set longer acceleration
time or not?
Prolong setting time
Whether load
changes suddently
May fault or misaction
caused by noise.Please
find technic support
Is deceleration
time set too short? Is acceleration time
set too short?
Reduce the value
Whether torque
enhance value is too
Can be reduced?
Reduce load or
enhance power
Whether load is too large
Whether short circuit between output terminal
U/V/W and motor or earth circuit
Clear short circuit
no
no
no
no
no
no
no
no
no
no
no
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
Constant speed
over curent E.0C3
Decelerate over
curent E.0C2 Accelerate over
curent E.0C1