Toshiba T2N User Manual Page 100

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  • TROUBLESHOOTING
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6.Troubleshooting
Users manual 85
Error Message and Associated Information CPU LED Display
Classification
Error Message Information 1 Information 2 Information 3.
Related Special
Relays
RUN FLT
Meaning of Error and Countermeasures
System
power on
Power supply ON (No error)Power
Supply
System
power off
Power supply OFF (No error)
RAM check error Generated
address
Error data Test data S0004
S0012
A fault has been detected by a read/write
check of the user data memory (RAM).
When the state does not change through
switching ON the power supply again,
replace the CPU module.
Program BCC error BCC error data S0006
S0030
A fault has been detected by a BCC check of
the user program memory (RAM) After
executing Memory Clear, re-load the
program.
Batt voltage drop S000F A voltage drop has been found in the RAM
memory back-up battery when the power
supply is ON.
(BATT LED out. No Error Down.)
Replace the battery.
EEPROM BCC error BCC error data S0004
S0013
A BCC fault has been detected in the user
program in the EEPROM when transferring
from EEPROM to RAM (when carrying out
Inital Load, etc). (Transfer not executed).
After checking the program, rewrite to
EEPROM
EEPROM warning Number of times
of writing
exceeded
S0007 Writing to the EEPROM has exceeded life
(100,000 times). (No Error Down). Hereafter,
the possibility of an EEPROM write fault
occurring is high. Therefore replace CPU
module.
Memory
EEPROM
write error
S0039 Any error has been occured during writing
data to an EEPROM.
(Included with operation of XFER instruction)
Carry out EEPROM write command by the
programmer again.
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