Table of Contents
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Main
Sub
Error
code
0A
Cause
L1, L2 terminal voltage too
low
Main
Sub
Error
code
0A
Cause
L1, L2 terminal voltage too
low
Main
Sub
Error
code
0b
Cause
Control circuit power
supply voltage too low
Power supply under
capacity
Main
Sub
Error
code
0b
Cause
USB power supply too low
Main
Sub
Error
code
0c
Cause
Main power supply
overvoltage
Acceleration/deceleration
time too short
Regenerative brake
parameter anomaly
Inner brake circuit
damaged
Display:
"Er
5
Content: DC Bus error
Diagnosis
Verify L1, L2 terminal
voltage. Check if power on
indicator light on servo drive
is on and d27 DC bus
voltage.
Display:
"Er
6
Content: Temperature measuring error
Diagnosis
Verify L1, L2 terminal
voltage
Display:
"Er
0
Content: Control circuit power supply voltage too low
Diagnosis
Verify L1C, L2C terminal
voltage; check if wiring
connection is tight
Display:
"Er
1
Content: Control circuit power supply abnormal
Diagnosis
Verify if USB cable is properly
connected and not damaged.
Display:
"Er
0
Content: DC bus overvoltage
Diagnosis
Verify L1,L2,L3 terminal voltage
Verify if the time is actually too
short
Verify Pr7.32/Pr7.33
User manual of EL8-EC***F AC Servo
0A5"
Solution
Make sure L1, L2 terminal voltage is
within recommended range
0A6"
Solution
Make sure L1, L2 terminal voltage is
within recommended range
0b0"
Solution
Increase L1C, L2C terminal voltage;
Tighten L1C, L2C terminal
connection
Increase power supply capacity for
/
L1C, L2C terminals
0b1"
Solution
Replace USB Type-C cable
0c0"
/
Solution
Decrease main power supply
voltage
Increase the duration time or
change to a regenerative resistor
with higher resistance.
Modify vent overload parameter
Replace driver
310
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