User manual of EL8-EC***F AC Servo
322
Error
code
Main Sub
Display:
“
Er 550
” -- “
Er 553
”
55
0~3
Error description:
Encoder mode not match in full closed loop mode
Cause
Diagnosis
Solution
Er550: External ABZ
encoder disconnected
Verify if encoder cable is connected
properly
1. Make sure encoder cable
connection is tight,;
2. Change encoder cable.;
3. External encoder cable
needs to be shielded.
Er551: External encoder
Phase A disconnected
Er552: External encoder
Phase B disconnected
Er553: External encoder
Phase Z disconnected
Error
code
Main Sub
Display:
“
Er 570
”
57
0
Error description:
Forced alarm input valid
Cause
Diagnosis
Solution
Forced alarm input
signal occurred
Verify forced alarm input signal Verify if the input wiring connection is
correct
Error
code
Main Sub
Display:
“
Er 5F0
”
5F
0
Content:
Motor model no. detection error
Cause
Diagnosis
Solution
Automatically detected
motor doesn’t match
set motor
/
Please contact our technical
support
Error
code
Main Sub
Display:
“
Er 5F1
”
5F
1
Error description:
Driver power module detection error
Cause
Diagnosis
Solution
Driver power rating not
within range.
Restart driver
Please contact our technical
support
Error
code
Main Sub
Display:
“
Er 600
”
60
0
Error description:
Main loop interrupted timeout
Cause
Diagnosis
Solution
The motor control loop
calculation time
overflow
Check for interference from
devices releasing
electromagnetic field
Ground driver and motor to reduce
interference
Restart driver
Replace driver
