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Error
Error description
Code
E121 Overload of main shaft
drive
E122 Main shaft braking resistor
overload
E123 Overheated main shaft
motor
E124 Overheated main shaft
drive
E125 Undervoltage of main shaft
bus
E126 Main shaft busbar over-
pressure
E127 Main shaft main power off
E128 Main shaft software over-
current
E129 Main shaft position forward
limit
E130 Negative limit of main shaft
position
E131 Main shaft electronic gear
ratio error
E132 Main shaft input pulse fre-
quency is too high
E133 Excessive main shaft posi-
tion deviation
E134 Main shaft overspeed
E135 Principal axis origin return
failed
E136 Phase loss of main shaft
bus voltage
E137 Phase sequence error of
main shaft motor
E138 UVW short to ground
E200 XY driver alarm
E201 X driver alarm
E202 Y driver alarm
Fault Cause
1. The main shaft board program is
the old version
2. Mechanical stuck
1. Wiring error
2. The acceleration is too high
3. The grid voltage is too low
4. Low main shaft power
5. Short circuit of main shaft to
ground
Reverse phase sequence
1. The driver wiring is bad
2. The drive is damaged
– 72 –
Solution
Refer to
E026
Error Handling Method
Refer to
E089
Error Handling Method
E415
Refer to
Error Handling Method
Refer to
E416
Error Handling Method
Refer to
E410
Error Handling Method
Spare alarm
Spare alarm
E412
Refer to
Error Handling Method
Spare alarm
Spare alarm
Spare alarm
Spare alarm
1. "Internal drive" - "main shaft" no version
number means that the old version
needs to be returned to the factory to
update the program
2. Check the machinery
1. Check the line
2. Reduce acceleration
3. Check the input power
4. Select a main shaft with a large power
level
5. Check whether the main shaft is short
circuited to ground
Spare alarm
Spare alarm
Measure with a multimeter to restore the
correct phase sequence
Refer to
E105
Error Handling Method
1. Check the wiring
2. Replace the motherboard
E200
Refer to
Error Handling Method
Refer to
E200
Error Handling Method
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