Siemens MICROMASTER 411 - Manual (Page 85)

Issue 03/01 6 Troubleshooting
MICROMASTER 411 & COMBIMASTER 411 Operating Instructions
6SE6400-5CA00-0BP0 85
No setpoint values from CB (communication board) during telegram off time
Diagnose & Remedy
Check CB and communication partner
F0071 USS (BOP-link) setpoint fault OFF2
Possible Causes
No setpoint values from USS during telegram off time
Diagnose & Remedy
Check USS master
F0072 USS (COMM link) setpoint fault OFF2
Possible Causes
No setpoint values from USS during telegram off time
Diagnose & Remedy
Check USS master
F0080 ADC lost input signal OFF2
Possible Causes
Broken wire
Signal out of limits
F0085 External Fault OFF2
Possible Causes
External fault triggered via for example terminal inputs
Diagnose & Remedy
Disable for example terminal input for fault trigger
F0090 Encoder feedback loss OFF2
Possible Causes
Signal from Encoder lost
Diagnose & Remedy
Check encoder fitted. If encoder not fitted, set P0400 = 0 and select SLVC mode (P1300 = 20 or 22)
If encoder fitted, check correct encoder selected (check encoder set-up in P0400).
Check connections between encoder and inverter
Check encoder not faulty (select P1300 = 0, run at fixed speed, check encoder feedback signal in
r0061)
Increase encoder loss threshold in P0492
F0101 Stack Overflow OFF2
Possible Causes
Software error or processor failure
Diagnose & Remedy
Run self test routines
F0221 PID Feedback below min. value OFF2
Possible Causes
PID Feedback below min. value P2268
Diagnose & Remedy
Change value of P2268
Adjust feedback gain
F0222 PID Feedback above max. value OFF2
Possible Causes
PID feedback above max. value P2267
Diagnose & Remedy