TS indicator FS indicator Cause Corrective action
---
1-second interval
NX Bus Communications
Settings and Safety Appli-
cation Data Mismatch
Refer to NX Bus Commu-
nications Settings and
Safety Application Data
Mismatch ( page
12 - 57).
---
1-second interval
Non-volatile Memory Ac-
cess Error
Refer to Non-volatile
Memory Access Error
( page 12 - 57
).
---
1-second interval
Division by Zero Refer to Division by Zero
( page 12 - 53).
---
1-second interval
Cast Error Refer to Cast Error ( page
12 - 54).
---
1-second interval
MUX Error Refer to MUX Error ( page
12 - 55).
---
1-second interval
SF_Antivalent Error Refer to SF_Antivalent Er-
ror ( page 12 - 44
).
---
1-second interval
SF_EDM Error Refer to SF_EDM Error
( page 12 - 44
).
---
1-second interval
SF_EmergencyStop Error Refer to SF_Emergency-
Stop Error ( page
12 - 45).
---
1-second interval
SF_EnableSwitch Error Refer to SF_Enable-
Switch Error ( page
12 - 45).
---
1-second interval
SF_Equivalent Error Refer to SF_Equivalent
Error ( page 12 - 46).
---
1-second interval
SF_ESPE Error Refer to SF_ESPE Error
( page 12 - 46).
---
1-second interval
SF_GuardLocking Error Refer to SF_GuardLock-
ing Error ( page 12 - 47).
---
1-second interval
SF_GuardMonitoring Er-
ror
Refer to SF_GuardMoni-
toring Error ( page
12 - 47).
---
1-second interval
SF_ModeSelector Error Refer to SF_ModeSelec-
tor Error ( page 12 - 48).
---
1-second interval
SF_MutingPar Error Refer to SF_MutingPar
Error ( page 12 - 48).
---
1-second interval
SF_MutingPar_2Sensor
Error
Refer to SF_Muting-
Par_2Sensor Error ( page
12 - 49).
---
1-second interval
SF_MutingSeq Error Refer to SF_MutingSeq
Error ( page 12 - 49).
12 Troubleshooting
12 - 5
NX-series Safety Control Unit User's Manual (Z930)
12-2 Checking for Errors with the Indicators
12
12-2-1 Troubleshooting the Main Errors in the Safety CPU Unit