@plcprogrammingtutorials0: PLC Not in RUN Mode?! SLC 500 CPU Fix (Real Breakdown) Another day, another PLC breakdown call 🔧 This time it's an Allen-Bradley SLC 500 rack — CPU stuck out of RUN mode, Fault LED off, and RSLogix refusing to upload OR download. Even a spare CPU wouldn't help... until an old backup from last year saved the day! Filler machine back up and running. 🎯 Lesson: always keep your PLC program backups updated! #PLC #AllenBradley #Automation

PLC Programming Tutorials
PLC Programming Tutorials
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Region: AE
Friday 31 July 2026 18:36:33 GMT
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zaff_8791
Zaff :
may I know why force light is come out?
2026-08-07 13:32:24
0
user7889551359217
Onalo Maliwa :
but you did not investigate here. What was the root cause? How can it prevented? After 1 year they will have to call you for the same problem again.
2026-08-01 11:09:41
3
controls_jus
Justin :
next time try wiping the memory of the old processor by shorting VBB and GND solder pads/pins on the main circuit board (typically near the battery housing). Then preform download
2026-08-01 00:19:17
8
logical591
LogicAL :
You took a whole trip for that😂. I get it. I’ve done the same. Flew from Ohio to California to download a program on an slc 5/02🤟 6 hour flight 10 mins of work. It was in Napa valley tho so I had a few days of fun before going home. I love my job.
2026-08-01 23:57:05
0
trblshooter1
Trblshooter1 :
That slick is old as dirt, you can charge whatever you’d like for that job. No options
2026-08-02 09:42:48
0
3commaclubb
LM888 :
please explain what you did . with the downloading etc.
2026-08-01 21:53:22
0
cosmocalvincrilly
CESS pty(Home security needs)? :
is int it upload ? to get program from the plc .. and download to load a new program...or its different with the allenB brand? caue thats how we do it
2026-07-31 19:29:11
1
faisalabbas3715
faisal abbas :
can get new slc 5/03 cpu?
2026-07-31 19:37:11
0
quantumcrypto67
quantumcrypto67 :
Absolutely awesome
2026-08-02 00:41:49
0
im_a_dapper_dan_man
Dave :
H1-B?
2026-08-01 20:51:44
0
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