INVT DA180-S2R8SG0 Operation Manual page 266

DA180 series basic AC servo drive
Code Name
Encoder fault–Encoder
Er02-0
offline
Encoder fault–Encoder
Er02-1 feedback deviation too
large
Er02-2 Encoder fault– Parity error
Er02-3 Encoder fault–CRC error
Encoder fault–Frame
Er02-4
error
Encoder fault–Short frame
Er02-5
error
Encoder fault–Encoder
Er02-6
timeout
Encoder fault–
Er02-7
Second-encoder timeout
Encoder fault–Encoder
Er02-8
battery low-voltage alarm
Encoder fault–Encoder
Er02-9
battery undervoltage
Possible cause
phases.
5. Improper parameter
settings cause
divergence.
6. The ACC/DEC time in the
start or stop process is too
short.
7. Instantaneous load is too
heavy.
1. The encoder
connected.
2. The encoder plug contact
is loose.
3. One of encoder signal
cables U, V, W, A, B, and Z is
disconnected.
4. Encoder phases A and B
are reverse.
5. Noise
communication interruption
or data exceptions.
6. Encoder communicates
properly but with
exceptions.
7. The FPGA
communicates with
encoder reports timeout.
8. The drive does
support the encoder type.
When the multiturn absolute
encoder is used, the external
battery voltage
encoder is between 3.0V–
3.2V.
When the multiturn absolute
encoder is used, the external
-260-
Workaround
system
is not
1. Connect the encoder according
to the correct wiring method.
2. Ensure the encoder plug
contact is proper.
3. Replace the encoder cable.
4. Ensure the encoder power
voltage is proper.
5. Eliminate the conditions that
disturb encoder cables. Route
causes
encoder cables and motor cables
separately.
6. Connect the shielded cables for
the encoder to the FG.
data
7. If an encoder disconnection
fault is reported during power-on,
that
check the setting of P0.01 and
the
then ensure the encoder type
supported by the drive is the
not
same as the actual encoder type.
1. Ensure the encoder battery
cable is connected properly.
2.Use the multimeter to check
whether the
of the voltage is less than 3.2V. If yes,
replace the battery.
3. Replace the battery when the
drive power is on. Otherwise,
encoder data may be lost.
1. Ensure the encoder battery
cable is connected properly.
Fault handling
external battery