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ATV660- What can cause a internal error 11 (InFb)?

Issue:
Getting a Internal Error 11 ( Infb) fault on a ATV660 drive
 
Product Line:
ATV660
 
Environment:
Internal error 11
 
Cause:
n/a
 
Resolution:
Response from France:
Internal Error 11] (InFb) -thermal sensor fault 
All internal temperature sensors are monitored, for short circuit or open circuit. 

Remedies 
 Use the SoMove Field Service section, to identify the defect temperature sensor. 

Note: Service Technician must have received official training on Process Drives and has received a SoMove password for servicing these units.
The technician also needs to confirm that the password works before going to the site.
Check the connections to the sensors.
 
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