Mitsubishi Electric MELCEC Q Series User Manual page 187

11. TROUBLESHOOTING
Error
Error Massage Code
(D9008)
"LINK PARA. 47
ERROR"
"OPERATION 50
ERROR"
(Checked at
execution of
instruction.)
Table 11.1 Error Code List for QCPU-A (A Mode) (continued)
Detailed
Error CPU
Code States
(D9091)
474 Stop or [When using MELSECNET/10]
Continue (1) The contents of the network
(set by parameters for the second link
parameter) module, written from a peripheral
device, differ from the actual
network system.
(2) The link parameters for the second
link module have not been written.
(3) The setting for the total number of
stations is 0.
475 [When using MELSECNET/10]
(1) The contents of the network
parameters for the third link module,
written from a peripheral device,
differ from the actual network
system.
(2) The link parameters for the third link
module have not been written.
(3) The setting for the total number of
stations is 0.
476 [When using MELSECNET/10]
(1) The contents of the network
parameters for the fourth link
module, written from a peripheral
device, differ from the actual
network system.
(2) The link parameters for the fourth
link module have not been written.
(3) The setting for the total number of
stations is 0.
477 A link parameter error was detected by
the CC-Link module.
501 Stop or (1) When file registers (R) are used,
Continue operation is executed outside of
(set by specified ranges of device numbers
parameter) and block numbers of file registers
(R).
(2) File registers are used in the
program without setting capacity of
file registers.
502 Combination of the devices specified by
instruction is incorrect.
503 Stored data or constant of specified
device is not in the unable range.
504 Set number of data to be handled is out
of the unable range.
505 (1) Station number specified by the
LEDA/BLRDP
LRDP
local station.
(2) Head I/O number specified by the
LEDA/BRFRP LEDA/BRTOP
RFRP RTOP
remote station.
506 Head I/O number specified by the
LEDA/BRFRP
RTOP
function module.
Error and Cause
, ,
LEDA/BLWTP
, instructions is not a
LWTP
, ,
, instructions is not of a
, ,
LEDA/BRFRP RFRP
instructions is not of a special
11 - 20
Corrective Action
(1) Write the parameters again and
check.
(2) Check the station number settings.
(3) Persistent error occurrence may
indicate a hardware fault. Please
consult your local Mitsubishi
representative, explaining the nature
of the problem.
(1) Write the parameters again and
check.
(2) Check the station number settings.
(3) Persistent error occurrence may
indicate a hardware fault. Consult
your nearest Mitsubishi
representative, explaining the nature
of the problem.
Read the error step using a peripheral
device and check and correct program of
the step.
,