[?]: S120 SLM with fault F30021

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donggq
Posts: 20
Joined: Sat Sep 18, 2010 2:55 pm

[?]: S120 SLM with fault F30021

Post by donggq » Fri Apr 19, 2013 7:49 pm

(sfaq)
in my plant ,we used Siemens S120 ,3 motor modules supplied by 1slm+2blm .

when the system running , a fault came,F30021.

would some one help me explain this problem ? thank you!

sania
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Posts: 1192
Joined: Sat Aug 13, 2005 6:15 am

Re: [?]: S120 SLM with fault F30021

Post by sania » Mon May 06, 2013 9:00 pm

write full message/error log
generaly it`s ground fault
replace your module/motor_power_cable/motor
p.s. in scout/starter press F1(mouse double click) on error for online help

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