Veichi AC80T Manual page 38

Inverter
E.oL2
over-load
System
abnormalit
E. SC
y
Inverter
E.oH1
over-heat
Rectifier
E.oH2
over-heat
Motor static
E.TE1 detection
fault
Motor
E.TE2 rotation
detection
AC80T Tower Crane Purpose VFD Manual
● Load is too heavy.
● Acceleration time is
too short.
● Start running motor.
● V/F curve setting is not
suitable. Or torque
boost too high.
● Acceleration time is
too short.
● Short circuit between
inverter output phases
or earth.
● Module is damaged.
● Electromagnetic
disturb.
● Temperature is too
high.
● Air channel is blocked.
● Fan connection parts
are loose.
● Fan is damaged.
● Temperature detection
circuit fault
● Temperature is too
high.
● Air channel is blocked.
● Fan connection parts
are loose.
● Fan is damaged.
● Temperature detection
circuit fault
● Detection overtime
● Start static detection
while motor is
running.
● Capacitance
difference is too big
between motor and
inverter.
● Motor parameter
setting mistake.
● Detect while motor is
running.
● Detect with load.
37
● Select inverter with right
capacitance.
● Prolong acceleration time
● Restart motor util it totally
stops. Set F1.00 as 1or2.
● Reset V/F curve or torque
boost value.
● Prolong acceleration time
properly.
● Check periphery
equipments and restart
after fault eliminating.
● Seek support from factory.
● Check system wiring,
earth, shield and deal as
required.
● Make the environment
meet the requirement.
● Clear the air channel.
● Check and reconnect the
wire
● Change the same new
fan.
● Seek support from factory.
● Make the environment
meeting the requirement.
● Clear the air channel.
● Check and reconnect the
wire.
● Change the same new
fan.
● Seek support from factory.
● Check motor connection
wire.
● Detect after motor
stopping totally.
● Change inverter model.
● Reset parameter
according to nameplate.
● Detect after motor stop
totally.
● Re-detect without load.