Panasonic SC-HG1 Series Reference Manual page 160

Error Code
Hexadecimal
(Decimal)
44C Before receiving a response to a request, the next
(1100) request was received.
4B0
The response to a request timed out.
(1200)
A normal command was not sent.
76C The measurement value block contains invalid
(1900) information.
The communication unit processing timed out.
7D0 Communication between the communication unit
(2000) and controller failed.
898 A request was sent to a non-connected slave
(2200) controllers.
960
(2400)
A command request was receiving during recovery
from a horizontal coupling error.
9C4
(2500)
44C Before receiving a response to a request, the next
(1100) request was received.
A28
The controller is busy.
(2600)
AF0 A CRC error occurred during
(2800) controller-to-controller communication.
Description
SC-HG1 Series FB Library Reference Manual for Mitsubishi MELSEC iQ-R series Sequencer
Before receiving the response to a request, do not
send the next request.
Any request sent before receiving the response is
ignored.
Check if the communication unit and controllers are
correctly connected.
Check the communication unit is correctly connected
and correctly operating.
Check if the communication unit and controllers are
correctly connected and then turn back ON the
power.
If the communication still fails, the controller may be
faulty.
This FB library is designed to output '102' to Error
Code (o_uErrId) and therefore '898' (hexadecimal) is
not output to Module Error Code
(o_ud16ModuleErrId). Check if any other ladder
program does not send a command request to
non-existent slave controllers.
A command was requested during recovery.
Do not request a command until the controller
finishes processing.
Before receiving the response to a request, do not
send the next request.
Any request sent before receiving the response is
ignored.
Another command was requested while the controller
was busy.
Do not request a command until the controller
finishes processing.
A CRC error may have occurred due to noise. Check
and correct the wiring.
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Meaning
WUME-SCHG1IQRFB-1