147
Console LED display
Cause
Where to check and how to
take actions
Reference
1. The deceleration time is too
short.
Make the deceleration
time longer.
・
Use the regeneration
stall prevention
function usage
selection (E-00).
・
Connect the dynamic
braking (DB) optional
unit [VFDB2009].
Chapter 3, 3.3.2 How
to Change the
Acceleration/Deceler
ation Time
Chapter 6, 6.6
Area E
Chapter 7, 7.6
Area E
Optional Instruction
Manual
2. The operation voltage setting
of the dynamic braking (DB)
optional unit [VFDB2009] is
not correct.
Adjust the operation
voltage setting of the
dynamic braking (DB)
optional unit [VFDB2009].
Optional Instruction
Manual
[Contents]
<Applied to the parallel
models only>
It starts when a
direct-current part
overvoltage occurs in the
slave unit.
・
Protection starts when
the direct-current
voltage is (200 V
class) approximately
400 V (400 V class)
approximately 800 V
* A character in the third
digit from the right
distinguishes the slave
units (1, 2, and 3).
3. The dynamic braking (DB)
optional unit [VFDB2009] is
not operating.
Replace the dynamic
braking (DB) optional unit
[VFDB2009].
Optional Instruction
Manual
4. Input power supply voltage
abnormally rises.
Check input power supply
voltage.
5. The inertia of the load is large.
Use the sine wave
converter or the dynamic
braking (DB) optional unit
[VFDB2009].
Optional Instruction
Manual
6. The output electrical wire was
grounded or short circuited.
Check the output wiring.
