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12 Troubleshooting
High-function General-purpose Inverter RX2 Series User’s Manual
12-2 Error No. and Its Measure
12
12-2-2 Details about Errors
When the use rate of inverter’s braking resistor operation circuit (BRD) exceeds the use rate set before-
hand in [bA-60], the inverter turns OFF its output.
E006 Braking Resistor Overload Error
Occurrence Estimated cause(s) Exemplar measures to be taken
Error occurred
during deceleration.
• Insufficient decelera-
tion time
• Load inertia is large.
• Capacity of braking
resistor is small.
Setting longer deceleration time in [FA-12] may improve the
situation that the motor is rapidly decelerated. If deceleration
time cannot be shortened, choice of resistor must be re-exam-
ined.
Error occurred
during operation.
• Continuous regenera-
tive operation
• Capacity of braking
resistor is small.
The resistor may not be able to fully consume the power
because the regenerative power returned from the motor is
high. Load condition or choice of resistor must be re-exam-
ined.
Rotated by external
force.
The resistor may not be able to fully consume the power
because the fan is rotated by a strong wind, or because the
regenerative power returned from the motor increases when
loads are lowered by a crane or the like. Load condition or
choice of resistor must be re-examined.
Error occurred
during repetitive
operations.
Repetition cycle of oper-
ation is high.
Reduction of repetition cycle of operation may improve the sit-
uation. Adjustment of deceleration time in [FA-12] and
re-examination of choice of resistor may also improve the situ-
ation.
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