amp works but power indicator don't light up? someone help?

[beginner]

Amp works but power indicator is off? For some reason this just came to mind, I haven't noticed that light on in a while but the amp works, other problem is it goes into protection mode.

Rockford punch 450. 4 , got voltage to both remote and power on amp. All fuses have continuity

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[los33 10+ year member]

Have you opened it up to check for burnt connections