Mitsubishi Electric MELCEC Q Series User Manual page 182

11. TROUBLESHOOTING
Error
Error Massage Code
(D9008)
14
"CHK FORMAT
ERR"
(Checked at
STOP/PAUSE
RUN.)
15
"CAN'T
EXECUTE (I)"
(Checked at
occurrence of
interrupt.)
"CASSETTE 16
ERROR"
Table 11.1 Error Code List for QCPU-A (A Mode) (continued)
Detailed
Error CPU
Code States
(D9091)
141 STOP Instructions (including
,
LDX
included in the
block.
142 Multiple
143 The number of contact points in the
CHK
150.
144 The
LEDA CHK
paired with the
instructions, or 2 or more pairs of them
are given.
145 Format of the block shown below,
which is provided before the
instruction circuit block, is not as
specified.
P254
146 Device number of D1 in the
instruction is different from that of the
contact point before the
instruction.
147 Index qualification is used in the check
pattern circuit.
148 (1) Multiple check pattern circuits of the
LEDA CHK
instructions are given.
(2) There are 7 or more check condition
circuits in the
LEDA CHKEND
(3) The check condition circuits in the
LEDA CHK
instructions are written without
using X and Y contact instructions
or compare instructions.
(4) The check pattern circuits of the
LEDA CHK
instructions are written with 257 or
more steps.
151 STOP The
IRET
of the interrupt program and was
executed.
152 There is no
interrupt program.
153 Though an interrupt module is used, no
interrupt pointer (I) which corresponds
to the module is given in the program.
Upon occurrence of error, the problem
pointer (I) number is stored at D9011.
— STOP (1) A memory card is inserted or
removed while the CPU module is
ON.
(2) An invalid memory card is inserted.
Error and Cause
) other than
NOP
, and are
LDIX ANDX ANIX
instruction circuit
CHK
instructions are given.
CHK
instruction circuit block exceeds
instructions are not
LEDA CHKEND
CHK
CHK D1D2
CHK D1D2
CJ P
-
LEDA CHKEND
-
LEDA CHK
instructions.
-
LEDA CHKEND
-
LEDA CHKEND
instruction was given outside
instruction in the
IRET
11 - 15
Corrective Action
Check the program of the
CHK
instruction and correct it referring to
contents of detailed error codes.
Read the error step using a peripheral
device and delete the instruction.
IRET
Check the interrupt program if the
instruction is given in it. Write the
instruction if it is not given.
Monitor special register D9011 using a
peripheral device, and check if the
interrupt program that corresponds to the
stored data is provided or if two or more
interrupt pointers (I) of the same number
are given. Make necessary corrections.
(1) Do not insert or remove a memory
card while the CPU module is ON.
(2) Insert an available memory card.
IRET
IRET