Siemens SINAMICS V20 - Page 341

Faults and alarms
9.1 Faults
SINAMICS V20 Converter
Operating Instructions, 10/2019, A5E34559884-012
339
Fault
Cause
Remedy
F71
USS setpoint fault
No setpoint values from USS dur-
ing telegram off time
Check USS master
F72
USS/MODBUS
setpoint fault
No setpoint values from
USS/MODBUS during telegram off
time
Check USS/MODBUS master
F80
Signal lost on
analog input
• Broken wire
• Signal out of limits
F85
External fault
External fault triggered via com-
mand input via control word 2, bit
13.
• Check P2106.
• Disable control word 2 bit 13 as command source.
• Disable terminal input for fault trigger.
F100
Watchdog reset
Software error Contact service department or change converter.
F101
Stack overflow
Software error or processor failure. Contact service department or change converter.
F200
Script error
Script of the internal converter
program has stopped running due
to script errors except for forced
exit.
Check the script and make necessary corrections.
F221
PID feedback
below minimum
value
PID feedback below minimum
value P2268.
• Change value of P2268.
• Adjust feedback gain.
F222
PID feedback
above maximum
value
PID feedback above maximum
value P2267.
• Change value of P2267.
• Adjust feedback gain.
F350
Configuration
vector for the
converter failed
During startup the converter
checks if the configuration vector
(SZL vector) has been pro-
grammed correctly and if hardware
matches the programmed vector. If
not the converter will trip.
• r0949 = 1: Internal failure - no
hardware configuration vector
available.
• r0949 = 2: Internal failure - no
software configuration vector
available.
• r0949 = 11: Internal failure -
converter code not supported.
• r0949 = 12: Internal failure -
software vector not possible.
• r0949 = 13: Wrong power mod-
ule fitted.
• r0949 > 1000: Internal failure -
wrong I/O board fitted.
Internal failures cannot be fixed.
r0949 = 13 - Make sure the right power module is fitted.
Note:
Fault needs power-cycle to be acknowledged.