Troubleshooting, Prosec t2n – Toshiba T2N User Manual

Page 101

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86

PROSEC

T2N

6.Troubleshooting

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

Sys RAM check err

Generated
address

Error data

Test data

A fault has been detected by a read/write
check of the system memory (RAM). When
the state is not changed even by switching
on the power supply again, replace the CPU
module.

Sys ROM BCC error

BCC error data

A fault has been detected by a BCC check of
the system ROM.
When the state is not changed even by
switching on the power supply again, replace
the CPU module.

Peripheral LSI error

Error code

A fault has been detected by a check of the
peripheral control LSI in the CPU module.
When the state is not changed even by
switching on the power supply again, replace
the CPU module.

Clock-Calendar error

A fault has been detected in the built-in
calendar LSI data. (No Error Down) When
the error is generated even when the
calendar is reset, replace the CPU module.

Illegal sys interrupt

Interrupt
generated
address 1

Interrupt
generated
address 2

An unregistered interrupt request has been
received by the CPU module. (No Error
Down) If it appears to be generated
frequently, replace the CPU module.

CPU

WD timer error

Generated
address 1

Generated
address 2

S0004
S001F

A watchdog timer fault has been detected.
If it appears to be generated frequently,
replace the CPU module.

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