1 E-021
Parameter range
beyond limit
Setting values are not
within the prescribed
range
Check parameters and reset them
2 E-022 Parameter conflict
Conflict of TREF or
VREF Function
Settings
P0-01=4, P3-00 set to 1 will alarm
3 E-023
Sampling channel
setting error
Error setting of custom
output trigger channel
or data monitoring
channel
Check that the settings are correct
4 E-024 parameter lost
Low voltage of power
grid
(1) If it is single-phase 220V power
supply, please connect L1 and L3.
(2) show E-024 immediately after
power failure
(3) Resetting parameters
5
E-025 Erase FLASH error Abnormal parameter
preservation during
power failure
please contact the agent or the
manufacturer
6
E-026 Initialization FLASH error Power supply instability
of FLASH chip
please contact the agent or the
manufacturer
8
E-028 EEPROM write in error Voltage instability or
chip abnormality
please contact the agent or the
manufacturer
03 0 E-030 Bus voltage U0-05 is
higher than the actual
preset threshold, and
lasts for P0-83 setting
time to alarm.
220V Power Supply
Machine (U0-
05≥390V)
380V Power Supply
Machine (U0-05≥50V)
High voltage of power
grid
Check the fluctuation of power grid,
220V driver normal voltage range
200V ~ 240V, 380V driver normal
voltage range 360V ~ 420V. If the
voltage fluctuation is large, it is
recommended to use the correct
voltage source and regulator.
Excessive load moment
of inertia (insufficient
regeneration capacity)
(1) connect external regenerative
resistor, (220V: bus voltage U0-05
= 380 discharge starts, U-05 = 350
discharge ends; 380V: U-05 = 700
75
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