E5 Series High Performance Universal Inverter User’s Manual
126
Chapter 7 Troubleshooting
Fault
No.
Fault
display
on panel
Fault description
Possible causes
Corrective actions
3T
E.SET
Communication
abnormal T
(Terminal 485)
The communication of terminal
RS485 is disconnected
Check the connection of the
equipment communications
The baud rate is set improperly
Set compatible baud rate
Communication failure of terminal
RS485
Check whether the data receiving
and transmission complies with the
protocol, whether the check sum is
correct and whether the receiving
and transmission interval complies
with the requirements
The communication of terminal
RS485 is time−out
Check whether the communication
timeout is set properly and confirm
the communication cycle of the
application program
Improper setting of failure alarm
parameters
Adjust the failure alarm parameter
The inverter is set to master mode
Set the inverter to slave mode
33
E.VEr
Version
incompatibility
Incompatible software version of
the operation panel
Seek for technical support
34
E.CPy
Copy fault
The data error when uploading
Check connection of operation
panel
The data error when downloading
Check connection of operation
panel
Operation panel no parameters is
uploaded
Upload the parameters to operation
panel first
Software version incompatible
Check if dT.09 is consistent
36
E.dL4
Expansion card
connection
abnormal
Expansion card disconnection
Ask professional technicians to
maintain
Expansion card failure
Seek for technical support
37
E.IoF
Terminal mutual
exclusion check
failed
The functions of XT to X7, AIT, AIT
and DI terminals are set a same
function
Modify the settings of XT to X7,
AIT, AIT and DI terminals and
ensure the setting functions are not
repeated (excluding null function)
38
E.oL3
Hardware
overload
protection
Abnormal load
Check whether motor is stalled
Replace inverter with higher model
Abnormal input power supply
Check whether there is phase loss
Output failure
Check whether the output phase
loss or short circuit
63
−LU−
Power supply
under voltage
The power supply voltage is lower
than the minimum operating
voltage
Check input power supply
Abnormal internal switching power
supply
Seek for technical support
Summary of Contents for E5 Series
Page 1: ...E5 Series High Performance Universal Inverter USER S MANUAL E5 Series USER S MANUAL ...
Page 7: ...vi T Setting Process for Open Loop ...
Page 8: ...vii Open loop setting process continued ...
Page 9: ...viii 3 Setting Process for Closed Loop ...
Page 10: ...ix Setting Process for Closed Loop continued ...
