bit 1). Two different physical terminals (DO1, DO2) are
assigned the same DO signal (SRdy signal), and the fault is
reported.
ER600, offline inertia
recognition failed
Solution: Check the DO signal distribution function code
to ensure that there is no repeated distribution of DO signal
distribution.
Type 1
resettable fault
ER601, return to zero
timeout error
Reason (2): The DO physical terminal is assigned a
signal that exceeds the maximum range of the DO signal.
The current maximum range of DO signal is 17, if the DO
physical terminal allocation exceeds this range, the system
will report the fault. (Normally, this will not happen)
Type 1
resettable fault
Type 2 resettable faults, a total of 7 faults.
ER410, busbar
undervoltage fault
The bus voltage sampled by the driver is lower than the
bus undervoltage point 380v.
Typeî2
resettable fault
ER420, lack of phase in
power cord
Reason (1): Due to poor power supply conditions, the
driver's three-phase AC power input voltage is too low,
causing the driver's bus voltage to be lower than 380v.
Type 2
resettable fault
ER610, drive overload Solution: Measure the bus voltage of the driver with a
multimeter, and check whether the bus voltage is lower than
the bus undervoltage point. If it is lower than the
undervoltage point, it indicates that the driver's three-phase
AC voltage input voltage is too low, and the power supply
conditions need to be improved. If the bus measured value is
not lower than the undervoltage point, enter the function
code H0b26 to observe the driver's bus sampling result. If
there is a big gap between the sampling result and the
measurement result, properly adjust the bus voltage gain
coefficient (function code H0130) to make the two equal. If
the adjustment is invalid, the voltage sampling circuit of the
drive is abnormal, please replace the drive.
Type 2
resettable fault
ER620, motor overload Reason (2): The drive power model setting is wrong. The
actual 220 volt-powered driver is set to the 380-powered
driver power level, which causes the voltage to be lower than
the bus undervoltage point after sampling.
Type 2
resettable fault
ER650, heat sink
temperature is too high
Solution: Enter the function code H0102, carefully check
the power supply requirements of the function code to set the
driver power level, whether it is a 220 volt power supply or a
380 volt power supply.
Type 2
resettable fault
ER651, motor overheating
failure
Drivers with three-phase power input specifications are
less than three-phase power input.
Type 2
resettable fault
ERB05, there is command
input during home return
Type 2
resettable fault,
unused fault
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