SI21 Solar Pump VFD Manual
14
●AC drive selected is too
load
E.SC
System
abnormal
●Deceleration is too short
●Short circuit of solar drive
output or phase output short
circuit to ground
● Module damage
● EMC interface
●Prolong acceleration time
●To check peripheral equipment
●Ask to support
●Check the wiring layout, cable
ground
E.oH1
VFD
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.TE1
Motor static
detection
fault
●Detection overtime
●Start static detection while
motor is running.
●Capacitance difference is
too big between motor and
VFD.
●Motor parameter setting
mistake.
●Check motor connection wire.
●Detect after motor stopping
totally.
●Change VFD model.
●Reset parameter according to
nameplate.
E.TE2
Motor
rotation
detection
fault
●Detect while motor is
running.
●Detect with load.
●Detection overtime
●Capacitance difference is
too big between motor and
VFD.
●Motor parameter setting
mistake.
●Detect after motor stop totally.
●Re-detect without load.
●Check motor connection wire.
●Change VFD model.
●Reset parameter according to
nameplate.
E.EEP
Memory
fault
●Electromagnetic disturb in
memory period.
●EEPROM damage.
●Resume load and save.
●Seek support from factory.
LiFE
Reserved
E.iLF
Input phase
loss
●3-phase input power open
phase.
●Check 3-phase power supply
and the phase.
