Schneider Electric Altivar 12 Manual De Usuario

BBV28581  05/2010

107

• If the display does not light up, check the power supply to the drive (ground and input phases connection, see page 

• The assignment of the "Fast stop" or "Freewheel" functions will prevent the drive starting if the corresponding logic inputs are not powered

up. The ATV12 then displays 

nSt

 in freewheel stop and 

FSt

 in fast stop, it will display 

rdY

 en freewhell stop. This is normal since

these functions are active at zero so that the drive will be stopped if there is a wire break. Assignment of LI to be checked in 

COnF

/

FULL

/

FUn-

/

Stt-

 menu.

• Make sure that the run command input(s) is activated in accordance with the selected control mode (parameters 

page 

 and 

 page 

, in 

COnF

/

FULL

/ 

I_O-

menu).

• If the reference channel or command channel is assigned to Modbus, when the power supply is connected, the drive displays "

nSt

"

freewheel and remain in stop mode until the communication bus sends a command.

• In factory setting "RUN" button is inactive. Adjust parameters 

 

 page 

 and 

 page

 to control the drive locally (

COnF

/

FULL

/

CtL-

menu). See How to control the drive locally page 

The cause of the detected fault must be removed before clearing by turning off and then on. 

SOF

 and 

tnF

 faults can also be cleared remotely by means of a logic input (parameter 

 page 

in 

COnF

/

FULL

/

FLt-

menu).

CrF1

Precharge

• Charging relay control fault or 

charging resistor damaged

• Turn the drive off and then back on again
• Check the connections
• Check the stability of the main supply
• Contact your local Schneider Electric 

representative

InFI

Unknown drive rating

• The power card is different from 

the card stored

• Contact your local Schneider Electric 

representative

InF2

Unknown or incompatible power 
board

• The power card is incompatible 

with the control card

• Contact your local Schneider Electric 

representative

InF3

Internal serial link

• Communication interruption 

between the internal cards

• Contact your local Schneider Electric 

representative

InF4

Invalid industrialization zone

• Inconsistent internal data

• Contact your local Schneider Electric 

representative

InF9

Current measurement circuit

• Current measurement is not 

correct due to hardware circuit

• Contact your local Schneider Electric 

representative

----

Problem of application Firmware

• Invalid application firmware 

update using the Multi-Loader tool

• Flash again the application firmware of the 

product

InFb

Internal thermal sensor detected 
fault

• The drive temperature sensor is 

not operating correctly

• The drive is in short circuit or open

• Contact your local Schneider Electric 

representative

InFE

Internal CPU

• Internal microprocessor

• Turn the drive off and then back on again
• Contact local Schneider Electric 

representative