Displays And Messages; Led Status Display; Fault Messages And Alarm Messages - Siemens MICROMASTER 420 Operating Manual

Issue 04/04
7

Displays and messages

7.1

LED status display

Mains not present
Ready to run
Inverter fault
other than the ones listed below
Inverter running
Fault overcurrent
Fault overvoltage
Fault motor overtemperature
7.2

Fault messages and Alarm messages

Fault Significance
F0001 Overcurrent
F0002 Overvoltage
F0003 Undervoltage
F0004 Inverter Overtemperature
2
F0005 Inverter I t
F0011 Motor Overtemperature I
Stator resistance measurement
F0041
failure
F0051 Parameter EEPROM Fault
F0052 Powerstack Fault
F0060 Asic Timeout
F0070 Communications board setpoint error
No Data for USS (RS232 link) during
F0071
Telegramm Off Time
No Data from USS (RS485 link)
F0072
during Telegram Off Time
F0080 Analogue input - lost input signal
F0085 External Fault
F0101 Stack Overflow
F0221 PI Feedback below minimum value
F0222 PI Feedback above maximum value
BIST Tests Failure
F0450
(Service mode only)
MICROMASTER 420
Compact Operating Manual
LEDs for indicating
the drive state
OFF
ON
approx. 0.3 s, flashing
approx. 1 s, twinkling
Fault inverter temperature
Warning current limit
both LEDs twinkling same time
Other warnings
both LEDs twinkling alternatively
Undervoltage trip / undervoltage warning
Drive is not in ready state
ROM failure
both LEDs flashing same time
RAM failure
both LEDs flashing alternatively
Alarms Significance
A0501
A0502
A0503
A0504
A0505
2
t A0506
A0511
A0541
A0600
A0700 -
A0709
A0710
A0711
A0910
A0911
A0920
A0921
A0922
A0923
7 Displays and messages
Current Limit
Overvoltage limit
Undervoltage Limit
Inverter Overtemperature
2
Inverter I t
Inverter Duty Cycle
2
Motor Overtemperature I
Motor Data Identification Active
RTOS Overrun Warning
CB warning
CB communication error
CB configuration error
Vdc-max controller de-activated
Vdc-max controller active
ADC parameters not set properly
DAC parameters not set properly
No load applied to inverter
Both JOG Left and JOG Right are
requested
t
27