AC90 TENSION CONTROL FREQUENCY INVERTER MANUAL BASIC OPERATION AND TRIAL RUN
52
inverter output phases or
earth.
●
Module is damaged.
●
Electromagnetic disturb.
and restart afrer fault
eliminating.
●
Seek support from factory.
●
Check system wiring, earth,
shield and deal as required.
E.oH1
Inverter
over-heat
●
Temperature is too high.
●
Air channel is blocked.
●
Fan connection parts is
loose.
●
Fan is damaged.
●
Temperature detection
circuit fault
●
Make the environment meet the
requirement.
●
Clear the air channel.
●
Check and reconnect the wire
●
Change the same new fan.
●
Seek support from factory.
E.oH2
Rectifier
over-heat
●
Temperature is too high.
●
Air channel is blocked.
●
Fan connection parts is
loose.
●
Fan is damaged.
●
Temperature detection
circuit fault
●
Make the environment meeting
the requirement.
●
Clear the air channel.
●
Check and reconnect the wire.
●
Change the same new fan.
●
Seek support from factory.
E.Fb1
PID feedback
over upper
limit
●
PID feedback breaks.
●
PID feedback channels
parameter is set wrongly.
●
Analog feedback channel
is abnormal.
●
Check PID feedback wire.
●
Check the PID feedback
channel parameter setting.
●
Seek support from factory.
E.Fb2
PID feedback
over lower
limit
●
PID feedback breaks.
●
PID feedback channels
parameter is set wrongly.
●
Analog feedback channel
is abnormal.
●
Check PID feedback signal
wire.
●
Check the PID feedback
channel parameter setting.
●
Seek support from factory.
E.TE1
Motorstatic
detection fault
●
Detection overtime
●
Start static detection while
motor is running.
●
Capacitance difference is
too big between motor
and inverter.
●
Motor parameter setting
mistake.
●
Check motor connection wire.
●
Detect after motor stopping
totally.
●
Change inverter model.
●
Reset parameter according to
nameplate.
E.TE2
Moror rotation
detection fault
●
Detect while motor is
running.
●
Detect with load.
●
Detection overtime
●
Capacitance difference is
too big between motor
and inverter.
●
Motor parameter setting
mistake.
●
Detect after motor stop totally.
●
Re-detect without load.
●
Check motor connection wire.
●
Change inverter model.
●
Reset parameter according to
nameplate.
