high performance crane special inverter User Manual
Chapter 6 Crane specialinverter faults and troubleshooting 37
Fault
num
ber
Fault
Code
Fault
Description
Possible Causes
Countermeasure
28
E.P10
+10V power output
abnormal
+10V power overload
In10V power load impedance
Utilize externally independent power
supply
+10V and GND is short circuited
Eliminate the short circuit failure
+10V power terminal circuit failure
Seek for technical support
29
E.AIF
Analog input
abnormal
Analog input voltage is too large
Check whether the analog input
voltage complies with the requirements
Analog input circuit failure
Seek for technical support
Analog input circuit signal interfered
Increase the P6.22
~
P6.24 AI filtering
time
30
E.Ptc
Motor over
temperature(PTC)
The
motor
temperature
signal
reaches the alarm setting value
Strengthen ventilation and heat
dissipation
Thermistor resistance failure
Check the thermistor
The sensor protection threshold of
the motor is set improperly
Adjust the sensor protection threshold
of the motor
31
E.SE1
Communication
abnormal 1
(Operation panel
RS485)
The communication of operation
panel RS485 is disconnected
Check the connection of the
equipment communications
Communication failure of operation
panel RS485
Check if the sending and receiving
data meets the agreement
The inverter is set to master mode
Set the inverter to slave mode
32
E.SE2
Communication
abnormal 2
(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 if the sending and receiving
data meets the agreement
The communication of terminal
RS485 is time−out
Check if the communication timeout
setting is appropriate
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 compatibility
abnormal
Incompatible software version of the
operation panel
Seek for technical support
34
E.CPy
Copy failure
The data error when upload
Check connection of operation panel
he data error when download
Check connection of operation panel
Parametric copy download without
parameter upload
Perform download before uploading
the parameters
Software version incompatible
Check if d1.09 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 X1 to X7, AI1, AI2
and DI terminals are set in a repeated
manner
Modify the settings of X1 to X7, AI1,
AI2 and DI terminals and ensure the
setting functions are not repeated
(excluding null function)
38
E.oL3
Hardware overload
protection
Load failure
Check whether motor is blocked
Replace inverter with proper model
Summary of Contents for V5 Series
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