Siemens MICROMASTER 420 1.1 kW 1-phase frequency inverter, 230 Vac to , 6SE6420-2AB21-1BA1 6SE6420-2AB21-1BA1 Scheda Tecnica
Codici prodotto
6SE6420-2AB21-1BA1
6. TROUBLESHOOTING International English
MICROMASTER 420 Operating Instructions
97
6SE6400-5AA00-0BP0
Warning
Code
Description
Possible Cause
Diagnosis & Remedy
A0706
CB Warning 7 – see
CB manual for details
CB manual for details
Communication Board specific
See CB User Manual
A0707
CB Warning 8 – see
CB manual for details
CB manual for details
Communication Board specific
See CB User Manual
A0708
CB Warning 9 – see
CB manual for details
CB manual for details
Communication Board specific
See CB User Manual
A0709
CB Warning 10 – see
CB manual for details
CB manual for details
Communication Board specific
See CB User Manual
A0710
CB Communications
Error
Error
Communication with CB
(communication board) is lost.
(communication board) is lost.
Check CB Hardware.
A0711
CB Configuration Error
CB (communication board) reports
configuration error
configuration error
Check CB parameters.
A0910
Vdc-max Controller De-
activated.
activated.
Vdc-max controller has been de-
activated.
activated.
Check parameter inverter input
voltage.
voltage.
A0911
Vdc-max Controller
active
active
Ramp-down times are being
extended to prevent overvoltage
trips and to keep the DC link
voltage within acceptable limits
extended to prevent overvoltage
trips and to keep the DC link
voltage within acceptable limits
1. Check parameter inverter input
voltage.
voltage.
2. Check ramp-down times.
A0920
Analogue input
parameters are not set
correctly.
parameters are not set
correctly.
Incorrect parameterization of
analogue input parameters
analogue input parameters
Analogue input parameters should
not be set to the same value as each
other.
not be set to the same value as each
other.
A0921
Analogue Output
Parameters are not set
correctly.
Parameters are not set
correctly.
Analogue Output parameters should
not be set to the same value as each
other
not be set to the same value as each
other
A0922
No load applied to
inverter.
inverter.
Output current lower than
expected.
expected.
Low output voltage eg when 0
boost applied at 0Hz
boost applied at 0Hz
1. Check that load is applied to the
inverter.
inverter.
2. Check motor parameters
correspond to motor attached.
correspond to motor attached.
3. As a result, some functions may
not work correctly, because there is
no normal load condition.
not work correctly, because there is
no normal load condition.
A0923
JOG right and JOG left
signals active
signals active
JOG right and JOG left signals
active together
active together
Make sure that JOG right and JOG
left signals are not applied
simultaneously
left signals are not applied
simultaneously