Siemens SINAMICS V20 Inverter - Fault acknowledgement and clearing; Alarm code list and descriptions; Alarm acknowledgement and clearing

Fault and warning codes
SINAMICS V20 Inverter
60 Getting Started, 07/2012, A5E03728127
Acknowledging / clearing faults
● To navigate through the current list of faults, press or .
● To clear / acknowledge the fault, press
OK
OK
or acknowledge externally if the inverter has
been set up so.
● To ignore the fault, press
M
M
.
After you acknowledge or ignore the fault, the screen returns to the previous display. The
fault icon remains lit until the fault is cleared / acknowledge.
Alarm code list
Alarm Description
A501 Current limit
A502 Overvoltage limit
A503 Undervoltage limit
A504 Inverter overtemperature
A505 Inverter I
2
t
A506 IGBT junction temperature rise warning
A507 Inverter temperature signal lost
A511 Motor overtemperature I
2
t
A535 Braking resistor overload
A541 Motor data identification active
A600 RTOS overrun warning
A910 Vdc_max controller deactivated
A911 Vdc_max controller active
A912 Vdc_min controller active
A921 AO parameters not set properly
A922 No load applied to inverter
A923 Both JOG left and JOG right are requested
A930 Cavitation protection warn
A936 PID autotuning active
A952 Belt failure detected
Acknowledging / clearing alarms
NOTICE
Note that alarms cannot be acknowledged. They are cleared automatically once the
warning has been rectified.