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Error
Error description
Code
E437 (0x) Driver board PDO
communication synchroni-
zation time is out of range
E438 (0x) Drive board initializa-
tion LAN9252 error
E439 (0x) Driver board UVW
short circuit
E440 (0x) Drive board inertia
identification failed
E441 (0x) Drive board encoder
EEPROM read and write
failed
E442 (0x) limit of driver board
position
E443 (0x) Negative limit of driver
board position
E444 (0x) Driver board electronic
gear ratio range
E445 (0x) Driver board input
pulse frequency is too high
E446 (0x) Driver board motor
overheating warning
E447 (0x) Drive board drive over-
heat warning
E448 (0x) Driver board motor
overload warning
E449 (0x) Drive board drive over-
load warning
E450 (0x) Driver board position
deviation too large warning
E451 (0x) Driver board brake
overload warning
E452 (0x) Drive board forward
overtravel warning
E453 (0x) Drive board reverse
overtravel warning
E470 (0x) driver board overpres-
sure
E471 (0x) Driver board undervolt-
age
E472 (0x) Driver board hardware
overcurrent
E473 (0x) Driver board software
overcurrent
Fault Cause
Exceeds the software limit set value
set by the system
Exceeded the set target itinerary
Regulator failure
1. Insufficient voltage, the external
input voltage is too low
2. Harmonic interference
1. The power supply voltage is too
large
2. The hardware is damaged, result-
ing in too small resistance
– 57 –
Solution
Spare alarm
Spare alarm
Refer to
E105
Error Handling Method
Spare alarm
Spare alarm
Spare alarm
Spare alarm
Refer to
E110
Error Handling Method
Refer to
E132
Error Handling Method
Refer to
E081
Error Handling Method
Refer to
E081
Error Handling Method
Refer to
E026
Error Handling Method
Refer to
E026
Error Handling Method
Refer to
E419
Error Handling Method
Refer to
E026
Error Handling Method
Modify setting parameters or reset
Press the reset button to reset
Overhaul voltage regulator
1. Replace the power supply or add a
regulator
2. It is necessary to install a special filter
at the input end of the servo drive to
solve the problem
1. Buck treatment
2. Replace the hardware
Refer to
E023
Error Handling Method
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