Hitachi S10mini User Manual page 218

[Hardware errors]
When the FL.NET module detects a hardware error, the CPU unit module indicator shows an error
message in accordance with Table 7-5. The FL.NET module also illuminates the error LED and
collects error freeze information. The FL.NET module operation comes to a stop.
Table 7-5 Details of CPU Unit Module Indications Given upon Hardware Error Occurrence
On-screen
message
BUS
ADDR
ILLG
ZERO
PRIV
FMAT
SINT
EXCP
PTY
MDSW
ROM1
RAM1
RAM2
ROM3
IPNG
MAC
PRG
Note: If an FA protocol error and hardware error simultaneously occur, only a hardware error
indication is given.
Error description
Bus error
Address error
Invalid instruction
Division by 0
Privilege violation
Format error
Spurious interrupt
Unused exception
Parity error
Module number setting switch error
ROM1 checksum error
RAM1 compare error
RAM2 compare error
ROM3 checksum error
IP address not registered
MAC address not registered
Microprogram error
It is conceivable that the FL.NET module
may be defective. Replace the module.
Check the module number setting switch.
It is conceivable that the FL.NET module
may be defective. Replace the module.
Such a parameter as link parameter of the
module may be incorrect (for example,
the module containing the parameter data
of the S10mini is installed in the S10V.).
Set the parameter data. If the error
cannot be recovered, the module may be
faulty. Replace the module.
Register the IP address.
It is conceivable that the FL.NET module
may be defective. Replace the module.
7-9
7 TROUBLESHOOTING
Remedy