E5 Series High Performance Universal Inverter User’s Manual
Chapter 7 Troubleshooting
123
Fault
No.
Fault
display
on panel
Fault description
Possible causes
Corrective actions
8
E.rEF
Abnormal
comparison level
Loose connection of connectors
inside the inverter
Ask professional technicians to
maintain
Abnormal switching power supply
Seek for technical support
Abnormal signal sampling and
comparison circuit
Seek for technical support
9
E.AUt
Motor data
identification
failure
Enabled motor data identification
function during motor spinning
Perform motor data identification
after the motor at standstill
Motor data identification overtime
Check whether motor wiring are
well connected
Length of motor wiring within T00m
Incorrect setting of motor
parameters in group P9
Set motor parameters according to
the nameplate on the motor
T0
E.FAL
Module protection
Output over current
Check whether the motor the
output connection are short
circuited
Check whether ground is short
circuited and whether the load is
too heavy
DC BUS over-voltage
Check the mains power supply
Check whether the large inertia
load and quickly stop
Check the braking unit and braking
resistor is property selected
Output terminal short circuited to
ground
Check the motor wiring
Loose connection of connectors
inside the inverter
Ask professional technicians to
maintain
TT
E.oHT
Heat-sink T over
temperature
protection
Ambient over−temperature
Lower the ambient temperature
and strengthen ventilation and heat
dissipation.
Blockage of air duct
Clean the dusts, wool and other
foreign matters in the air duct.
Fan failure
Check whether fan wiring are well
connected
Replace a new fan
Inverter module failure
Seek for technical support
Temperature detection circuit
failure
Seek for technical support
TT
E.oHT
Heat-sink T over
temperature
protection
Ambient over−temperature
Lower the ambient temperature
and strengthen ventilation and heat
dissipation.
Blockage of air duct
Clean the dusts, wool and other
foreign objects in the air duct
Fan failure
Check whether fan wiring is well
connected.
Replace a new fan of the same
model
Rectifier module failure
Seek for technical support
Temperature detection circuit
failure
Seek for technical support
Содержание E5 Series
Страница 1: ...E5 Series High Performance Universal Inverter USER S MANUAL E5 Series USER S MANUAL ...
Страница 7: ...vi T Setting Process for Open Loop ...
Страница 8: ...vii Open loop setting process continued ...
Страница 9: ...viii 3 Setting Process for Closed Loop ...
Страница 10: ...ix Setting Process for Closed Loop continued ...
Страница 11: ...x 4 Setting Process for Composite Control ...