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TROUBLESHOOTING
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
1-190 August 9, 2005
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ERROR CODE P2051 Illegal sequence numbers for file I/O data.
During data transfer between the 1KA and 1KF boards, the response from the 1KF
board does not conform to the request from the 1KA board.
⇒
Replace the 1KA/1KF boards
.
⇒
Replace the harness between the 1KA and 1KF boards.
⇒
Check for noise malfunction and shield integrity.
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ERROR CODE P2052 [LSEQ] Program includes unavailable instructions.
An unavailable instruction is included in basic operation part of the KLogic program
(lsqpg).
Example: JMOVE.
⇒
Delete unavailable instruction form the KLogic program
(lsqpg).
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ERROR CODE P2053 [LSEQ] Too many steps exist.
An excessive number of steps exist in the basic operation part of the KLogic program
(lsqpg).
⇒
Correct the KLogic program so the number of steps does not exceed the maximum
number of steps allowed (10,000 steps maximum).
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ERROR CODE P2054 [LSEQ] Invalid type of signal variable.
An instruction that specifies an invalid signal variable as an argument is used in the
basic operation part of the KLogic program.
Example: LSQ OUT,&X0000.
⇒
Ensure a valid signal variable is used in the KLogic program
.
Example: LSQ OUT,&Y0000.
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