
B-63945EN/02 APPENDIX A.ALARM LIST
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A.2.2 PMC System Alarm Messages
Alarm number Faulty location/corrective action Contents
PC004 CPU ERR xxxxxxxx:yyyyyyyy
PC006 CPU ERR xxxxxxxx:yyyyyyyy
PC009 CPU ERR xxxxxxxx:yyyyyyyy
PC010 CPU ERR xxxxxxxx:yyyyyyyy
PC012 CPU ERR xxxxxxxx:yyyyyyyy
This alarm may be due to a hardware
fault; contact us with information on the
circumstances under which the alarm
occurred (displayed message, system
configuration, operation suspected of
causing the alarm, timing of alarm
occurrence, frequency of occurrence,
etc.) as well as the displayed internal
error codes.
A CPU error occurred in the PMC
system.
xxxxxxxx and yyyyyyyy are internal
error codes.
PC030 RAM PARITY aa:bb This alarm may be due to a hardware
fault; contact us with information on the
circumstances under which the alarm
occurred (displayed message, system
configuration, operation suspected of
causing the alarm, timing of alarm
occurrence, frequency of occurrence,
etc.) as well as the displayed internal
error codes.
A RAM parity error occurred in the
PMC system.
aa and bb are internal error codes.
PC050 IOLINK CHn aabb:xxyy <1> Check whether the I/O assignment
data matches the actual I/O device
connections.
<2> Check whether all the cables are
connected properly.
<3> Check the cable specifications.
<4> Replace the interface module,
cable, master printed circuit board,
and/or other components of the
I/O device, as appropriate.
An I/O Link communication error
occurred.
n is a channel number.
aabb and xxyy are internal error
codes.
The possible causes of this alarm are
as follows:
(1) No base is connected even if data
is assigned for base extension
when I/O Unit-Model A is used.
(2) One or more cables are
connected improperly.
(3) One or more cables are faulty.
(4) One or more I/O devices (I/O Unit,
Power Mate, etc.) are faulty.
(5) The power of the master and/or
slave I/O Link device is faulty.
(6) The DO output of the I/O device is
short-circuited.
(7) The master printed circuit board is
faulty.
PC060 FBUS xxxxxxxx:yyyyyyyy
PC061 FL-R xxxxxxxx:yyyyyyyy
This alarm may be due to a hardware
fault; contact us with information on the
circumstances under which the alarm
occurred (displayed message, system
configuration, operation suspected of
causing the alarm, timing of alarm
occurrence, frequency of occurrence,
etc.) as well as the displayed internal
error codes.
A bus error occurred in the PMC
system.
PC070 SUB65 CALL (STACK) Check the correspondence between the
CALL or CALLU instruction and the
SPE instruction.
A stack error occurred with the CALL
or CALLU functional instruction of the
ladder program.