Okuma Alarm-P 0757 MF-SAFETY Error
An error was detected by the MF-SAFETY.
Object
None
Character-string
None
Code
0x1000XXXX->CPU Exception was occurred in the MF-SAFETY
0x1100XXXX->NMI was occurred in the MF-SAFETY
XXXX->NMI code
bit9 ->Voltage drop for CPU1
bit8 ->Watchdog timer overflow in CPU0
bit1 ->Voltage drop for CPU0
bit0 ->Watchdog timer overflow in CPU1
0x1200XXXX->CPU bus error was occurred in the MF-SAFETY
XXXX->CPUID
0x130000XX->No response in CPU1 request
0x170000XX->Normal process in the MF-SAFETY did not end within a specific period.
0x1800XXXX->An Error was detected by the MF-SAFETY
XXXX->Error Code
bit14->MFU I/O Bus parity error
bit12->Synchronization error
bit11->Wrongly set synchronous signal timing
0x19000000->Stack overflow in the MF-SAFETY CPU
0x1A00XXXX->Illegal address is in the label table
0x1B000000->NC starts up with software update mode in the MF-SAFETY
0x1C0000XX->Mode setting is mismatch between NC and MF-SAFETY
XX->Mismatch location
02->NC mode setting is wrong
Probable Faulty Locations
MF-SAFETY
MF-SAFETY mode setting
NC mode setting
I/O unit in MFU
Measures to Take
Replace the MF-SAFETY unit
Replace the I/O unit in MFU
Switch(SW1) of the MF-SAFETY turns off
Update the MF-SAFETY software (safety logic)