Protective and Diagnostic Functions
7-
13
OPERA-
TOR ERR
RAM
CHECK
ERR
Operator Error (Internal RAM
Fault)
At power ON, an error was detected
from the results of the internal
RAM Write/Read check.
– Replace the Operator.
OPERA-
TOR ERR
ROM
CHECK
ERR
Operator Error (CPU Internal
ROM Fault)
At power ON and during operation,
an error was detected when the
internal ROM was checked.
OPERA-
TOR ERR
DATA
SEND
ERR
Operator Error (Transmission
Circuit Fault)
During operation, send processing
did not complete within 500 ms
continuously at least 10 times.
OPERA-
TOR ERR
RAM
CHECK
ERR
Operator Error (Internal RAM
Fault)
During operation, an error was
detected when the display pattern
for the character code 80 to 8F
recorded in the internal RAM was
checked.
OPERA-
TOR ERR
WAT C H-
DOG ERR
Operator Error (Watchdog Error)
During operation, an error was
detected in the program execution.
Table 7.1 Fault Displays and Processing (Continued)
Display Meaning Probable Causes Corrective Actions
TOE-S616-60.1.book 13 ページ ２０１７年８月４日 金曜日 午後３時４１分
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