S7-400 Power Supply Display

sammmy_s

Member
S
Join Date
Apr 2006
Location
Australia
Posts
24
ALL,

I have a S7-400 PLC with 407 power supply module with two display
5 volts and 24 volts normally leds are green and solid, today
the noticed that 24 volts flashing,can anyone suggest what this means.

thank you

Sammmy
 
Sounds like there was an overload on the 24V supply. Start reading at page 3-12 (PDF page 58) of THIS manual... đź““

🍻

-Eric

P.S. Wow, the Siemens website DOES suck to navigate... :rolleyes:
 

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