Chapter 9 Errors And Remedies - Hitachi WJ200 Series Quick Reference Manual

Chapter 9 Errors and Remedies

9.1 Status indicator explanations and error handling
The 4 types of indicator lighting statuses are explained in the following table.
Abbreviation
On
Off
Blinking
-
LINK / LINK /
COMM
ACT 1 ACT 2
- - On
Off Off Off
On - Off
- - Blinking
- - Blinking
- - Off
- - -
ON
OFF
Blinking ON (200 ms) and OFF (200 ms)
Undefined
ERR Description
Off Communicati
ng by the set
telegram
Off Power supply
error
- PROFINET IO
controller not
available
Off Parameter
being set
- Flash LED
Blinking Error
On Hardware
failure
Name and status
WJ-PN is communicating with PROFINET IO
controller by the set telegram.
Power is not being supplied correctly to the
Communication Unit.
・ Check that power is being supplied
correctly to the inverter (for example,
check whether the wiring of the inverter
main power supply is correct, if the power
supply voltage has dropped, and the
inverter is operating normally).
・ Check that
correctly onto the inverter.
・ Eliminate the cause of the error, and then
turn the WJ200 / WL200 power supply off
and on again.
WJ-PN isn't connected to the PROFINET IO
controller unit yet.
・ Check that the PROFINET IO controller
unit is operating correctly.
・ Check that the communications cable is
connected correctly to the connector or
wired correctly.
is WJ-PN is being set parameter to from
PROFINET IO controller.
When you operate Flash LED with an
engineering tool, COMM LED is blinking for 3
seconds with a frequency of 1Hz (500ms ON
and 500ms OFF).
WJ-PN detects disconnection of PROFINET.
・ Check the
controller
・ Check the cable connecting.
・ Check the power of devices in the path.
WJ-PN detects
replace the WJ-PN.
54
Remarks
the WJ-PN is mounted
power of PROFINET
hardware failure.
IO
Please