Operating instructions

Issue B1 6 Troubleshooting
MICROMASTER 420 Operating Instructions
6SE6400-5AA00-0BP0
71
Fault Possible Causes Diagnose & Remedy Reac-
tion
F0051
Parameter
EEPROM Fault
Reading or writing of the non-volatile
parameter storage has failed
1. Factory reset and new
parameterization
2. Change inverter
OFF2
F0052
Powerstack
Fault
Reading of the powerstack
information has failed or the data is
invalid
Change inverter OFF2
F0060
Asic Timeout
Internal communications failure 1. Acknowledge fault
2. Change inverter if repeated
OFF2
F0070
Communicatio
ns board
setpoint error
No setpoint received from
communications board during
telegram off time
1. Check connections to the
communications board
2. Check the master
OFF2
F0071
No Data for
USS (RS232
link) during
Telegramm Off
Time
No response during telegram off time
via USS (BOP link)
1. Check connections to the
communications board
2. Check the master
OFF2
F0072
No Data from
USS (RS485
link) during
Telegram Off
Time
No response during telegram off time
via USS (COM link)
1. Check connections to the
communications board
2. Check the master
OFF2
F0080
Analogue
input - lost
input signal
Ø Broken wire
Ø Signal out of limits
Check connection to analogue input OFF2
F0085
External Fault
External fault is triggered via terminal
inputs
Disable terminal input for fault trigger OFF2
F0101
Stack
Overflow
Software error or processor failure 1. Run self test routines
2. Change inverter
OFF2
F0221
PI Feedback
below mini-
mum value
PID Feedback below minimum value
P2268
1. Change value of P2268
2. Adjust feedback gain
OFF2
F0222
PI Feedback
above
maximum
value
PID Feedback above maximum value
P2267
1. Change value of P2267
2. Adjust feedback gain
OFF2
F0450
(Service mode
only)
BIST Tests
Failure
Fault value
1 Some of the power section tests
have failed
2 Some of the control board tests
have failed
4 Some of the functional tests
have failed
8 Some of the IO module tests
have failed
16 The Internal RAM has failed its
check on power-up
1. Inverter may run but certain
actions will not function correctly
2. Replace inverter
OFF2