32
speedover-cur
rent
●
Power grid voltage is too low.
it.
●
Check input power,clear fault.
E.oL1
Motor
over-load
●
V/F curve setting is not
suitable. Or torque boost too high.
●
Power grid voltage is too low.
●
incorrect overload protection
setting.
●
Locked-rotor run or too heavy
load.
●
Universal motor long time low
speed run.
●
Reset V/F curve or torque
boost value.
●
Check input power,clear fault.
●
Unreasonable F5.06 setting.
●
Adjust load or select inverter
with right capacitance.
●
If need long time low speed
run,please choose special motor
for inverter.
E.oL2
Inverter
over-load
●
Load is too heavy.
●
Acceleration time is too short.
●
Start running motor.
●
V/F curve setting is not
suitable.Or torque boost too high.
●
Select inverter with right
capacitance.
●
Prolong acceleration time
●
Restart motor until it totally
stop.Set F1.00 as 1or2.
●
Reset V/F curve or torque
boost value.
E. SC
System
abnormality
●
Acceleration time is too short.
●
Short circuit between inverter
output phases or earth.
●
Module is damaged.
●
Electromagnetic disturb.
●
Prolong acceleration time.
●
Check periphery equipments
and restart afrer fault cleared.
●
Seek support from factory.
●
Check system wiring, earth,
shield and deal as required.
E.oH
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
meeting the requirement.
●
Clear the air channel.
●
Check and re-connect the
wire
●
Change the same new fan.
●
Seek support from factory.
E.TE1
Motor static
detection fault
●
Detection overtime
●
Perform 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 stop 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.
