Mitsubishi Electric MELSEC Q Series User Manual page 244

6 FUNCTIONS
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(1) LED status
 The LED status (RUN LED, ERR. LED) of the Web server module is displayed.
Refer to Section 4.3 (1) for the LED indications.
(2) Error status
 The status of the current error area (address: 140 to 145) of the buffer memory
is displayed.
Refer to Section 9.3 for the error code.
(3) [Clear error status] button
 Turns off the ERR. LED, X10 to X19, and X1C.
 Clears the current error area (address: 140 to 145) of the buffer memory.
 Clears "Present Error" displayed in the system monitor of GX Developer. (Refer
to Section 9.2.2.)
 A module stop error (ERR. LED flicker) cannot be cleared.
(4) Error history
 The status of the error log area (address: 150 to 247) of the buffer memory is
displayed.
Refer to Section 9.3 for the error code.
(5) [Clear error history] button
 Clears the error log area (address: 150 to 247) of the buffer memory.
 Clears "Error Display" displayed in the system monitor of GX Developer. (Refer
to Section 9.2.2.)
 A module stop error (ERR. LED flicker) cannot be cleared.
MELSEC-Q
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