V&T TS-I Series, User Manual

Page: 69 / 79

TS − I Special servo drive for hybrid electro-hydraulic system of injection molding machine User Manual
Chapter 5 Alarm and diagnosis of servo drive 57
Failure
No.
Failure
code
Failure description Potential causes Solutions
24 E.EEP EEPROM failure EEPROM reading and writing failure Seek for technical support
Loose connection of connectors inside
the drive Ask professional technicians to
maintain
25 E.dL3 Relay contact failure
The power-on buffer circuit is faulty Seek for technical support
Ambient under temperature
Check whether the ambient
temperature complies with the
requirements
26 E.dL2
Temperature sensor
taking sample anomaly
The temperature sampling circuit
inside the drive is faulty
Seek for technical support
Encoder connection is incorrect Change the encoder cable
Encoder has no signal output
Check whether the encoder and
Encoder cable disconnection Reconnect
27 E.dL1
Encoder cable
disconnection
Abnormal function code setting Confirm that the relevant
+10V power overload
In10V power load
impedance
Utilize externally independent
power supply
+10V power supply and GND is short
circuited
Eliminate the short circuit failure
28 E.P10
+10V power output
abnormal
+10V power terminal circuit failure Seek for technical support
Too high analog input voltage
Check whether the analog input
voltage complies with the
requirements
Analog input circuit failure Seek for technical support
29 E.AIF Analog input abnormal
Analog input circuit signal interfered
Increase the P6.22 and P6.24 AI
filtering time
The motor temperature signal reaches
the alarm setting value Strengthen ventilation and heat
dissipation
Thermistor resistance failure Check the thermistor 30 E.Ptc
Motor over temperature
（
PTC/KTY
）
The sensor protection threshold of the
motor is set improperly Adjust the sensor protection
threshold of the motor
The communication of operation panel
RS485 is disconnected Check the connection of the
equipment communications
Communication failure of operation
panel 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
31 E.SE1
Communication
abnormal 1
(Operation panel 485)
The drive is set to master mode Set the drive to slave mode
The communication of RS485 terminal
is disconnected Check the connection of the
equipment communications
T he baud rate is set improperly Set compatible baud rate
32 E.SE2
Communication
abnormal 2
(RS485 terminal)
The communication of RS485 terminal
is faulty 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