SRV-63 series AC servo drives Faults and solutions
-237-
Code
Name
Causes
Countermeasures
battery voltage of encoder is below
3.2V, if yes, change the battery;
3. Change the battery when the drive
is power on; otherwise the encoder
data will be lost.
Er02-9
Encoder fault
–Undervoltage alarm of
the encoder battery
If multi-turn encoder is used, the
battery voltage of the external
encoder is between 2.5V~3.0V.
1. Check the battery connection in
the encoder cable;
2. Check whether the voltage is
below 3.0V, if yes, change the
battery;
3. Change the battery when the drive
is power on; otherwise the encoder
data will be lost.
Er02-a
Encoder fault
–Encoder
over-temperature
The feedback encoder
temperature is higher than the set
over-temperature value
1. Check the setting value of the
over-temperature protection value;
2. Stop the motor and reduce the
encoder temperature.
Er02-b
Encoder fault
–
EEPROM write-in error
If the motor is used with
communication encoder, and
when the drive updates the data
to encoder EEPROM, there is
communication transmission error
or data check error.
1.Check the encoder connection and
reduce the interference to encoder
communication;
2.Write in for several times or
change the motor.
Er02-c
Encoder fault
–
EEPROM no data
If the motor is used with
communication encoder, and
when read encoder EEPROM
during power on, there is no data.
1.Select the current motor model
through P0.00 and then carry out the
encoder EEPROM writing through
P4.97;
2.Block the fault by P4.98, and then
carry out corresponding initialization
with the motor parameters in
EEPROM.
Er02-d
Encoder fault
–
EEPROM data check
error
If the motor is used with
communication encoder, and
when read encoder EEPROM
during power on, there is data
check error.
1.Check the encoder connection and
reduce the encoder interference;
2. Select the current motor model
through P0.00 and then carry out the
encoder EEPROM writing through
P4.97;
3. Shield the fault by P4.98, and then
carry out corresponding initialization
to the motor parameters.
