Veichi SI23-D1 series Manual page 12

E. SC System abnormal
E.oH1 Inverter over-heat
E.oH2 Rectifier over-heat
Motor static
E.TE1
detection fault
Motor rotation
E.TE2
detection fault
●AC drive selected is too
load
●Deceleration is too short
●Short circuit of solar drive
output or phase output short
circuit to ground
● Module damage
● EMC interface
●Temperature is too high.
● Air channel is blocked.
● Fan connection parts is
loose.
● Fan is damaged.
●Temperature detection
circuit fault
●Temperature is too high.
● Air channel is blocked.
● Fan connection parts is
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.
● Detection overtime
●Capacitance difference is
too big between motor and
inverter.
●Motor parameter setting
mistake.
12
SI23 Solar Pump Inverter Manual
● Prolong acceleration time
● To check peripheral equipment
● Ask to support
● Check the wiring layout, cable
ground
● 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.
● Check motor connection wire.
● Change inverter model.
● Reset parameter according to
nameplate.