6 Troubleshooting
MICROMASTER 430 Operating Instructions
6SE6400-5AC00-0BP0
79
Fault Possible Causes Diagnose & Remedy Reac
tion
F0071
USS (BOP-
link) setpoint
fault
No setpoint values from USS during
telegram off time
Check USS master Off1
F0072
USS (COMM
link) setpoint
fault
No setpoint values from USS during
telegram off time
Check USS master Off1
F0080
ADC lost input
signal
Broken wire signal out of limits
Off1
F0085
External Fault
External fault triggered via terminal
inputs
Disable terminal input for fault trigger. Off1
F0090
Encoder
feedback loss
Signal from Encoder lost 1. Check encoder fitted. If encoder not fitted, set
P400 = 0 and select SLVC mode (P1300 = 20 or
22)
2. Check connections between encoder and inverter
3. Check encoder not faulty (select P1300 = 0, run
at fixed speed, check encoder feedback signal in
P66)
4. Increase encoder loss threshold in P492
Off1
F0101
Stack
Overflow
Software error or processor failure Run self test routines Off1
F0221
PID Feedback
below min.
value
PID Feedback below min. value
P2268.
Change value of P2268.
Adjust feedback gain.
Off1
F0222
PID Feedback
above max.
value
PID feedback above max. value
P2267.
1. Change value of P2267.
2. Adjust feedback gain.
Off1
F0450
BIST Tests
Failure
Fault value:
1 Some power section tests have
failed
2 Some control board tests have
failed
4 Some functional tests have failed
16 Internal RAM failed on power-up
check
1. Drive may run but some features will not work
properly.
2. Replace drive.
Off1
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+421 552 601 099
info@eltra-trade.com
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