Hitachi WJ C1 Series User Manual

Chapter 15 Tips/FAQ/Troubleshooting
15-4-7
S14: DC braking does not work
Estimated cause (s) ▶
Exemplar measures to be taken
Page
DC braking force, DC
braking time, etc. are not
set or incorrect.
Check the settings of DC braking related parameters [A051] to
[A058].
9-7-2
9-7-11
"External DC braking [DB]"
is not assigned to the input
terminal function. Or, the
wiring is wrong.
When activating DC braking by input terminal, confirm that
"External DC braking [DB]" is assigned together with the above
setting. Also check the wiring of the [DB] input terminal.
9-7-11
9-15-1
S15: Noise is generated in TV, radio or devices near the inverter
Estimated cause (s) ▶
Exemplar measures to be taken
Page
Conductive/radiation noise
from the inverter
Locate the inverter wires as far as possible from nearby
devices, TVs, radios, etc.
1-3-3
Install a radio noise filter (zero-phase reactor (ZCL)) to the
power input/output of the inverter.
5-3-1
S16: Cannot be operated/set by communication option board
Estimated cause (s) ▶
Exemplar measures to be taken
Page
RUN command input
source selection or
frequency input source
selection is not "Option"
Check that "Frequency input source selection [A001]" and
"RUN command input source selection [A002]
*1
" are set to
"Option".
9-1-6
9-2-12
S17: Cannot connect to the inverter configuration software ProDriveNext
Estimated cause (s) ▶
Exemplar measures to be taken
Page
The communication cable
is broken or wrong.
Check that there is no disconnection or contact failure at the
communication cable or connection terminal, or that the cable
specification is correct.
12-1-1
*1. "2nd-motor control [SET]" target parameter. Replace with the 2nd-control parameter if necessary.
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Hitachi WJ C1 Series Specifications

General

Brand	Hitachi
Model	WJ C1 Series
Category	Inverter
Language	English