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1996 Volvo 850T - Stock stereo says HOT

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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JasonJarrah
Posts: 9
Joined: 20 August 2013
Year and Model: 1996 850 Turbo
Location: Oregon

1996 Volvo 850T - Stock stereo says HOT

Post by JasonJarrah »

The stock stereo in my 850 only works for radio and tape, but when I press CD the screen says HOT and will not play anything. The HU isn't hot at all, and it's said this for months. It says that even when the car hasn't started in two days. I've looked online for an answer and have yet to find anything.

Is it possible to be just a fuse or something simple? I would imagine if the HU overheated altogether and died on me that the radio and tape deck wouldn't work either, but those two work fine. I don't have any idea what else could be causing it. I tried unplugging the stereo altogether, tried disconnecting and reconnecting the battery, both to no avail. Ironically, I bought a new stereo today to remedy the situation and it isn't receiving any power at all.

Any ideas for the old HU saying HOT or the new one not receiving power would be awesome.

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rspi
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Year and Model: 850 T-5R Wagon
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Post by rspi »

Take both apart and swap over the CD module.

This video will show you how to open the radio and remove the CD module.

'95 855 T-5R M, Panther - 22/28 mpg, 546,000 miles
'95 955 T-5R Yellow Wagon, Lemonade, 180,000 miles
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jacobharding
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Year and Model: 87 740 T.I.
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Post by jacobharding »

Is it stolen? Just wondering since it says "Hot".
I am not an expert mechanic, but I will attempt any repair. Worst case scenario is I screw it up worse than it was.

87 745 Turbo Intercooler...333k, all original!
96 850 Turbo wagon "totalled - parting out"
94 850 Turbo wagon waiting for tranny
2 94 855's gone
They're all gone now....

JasonJarrah
Posts: 9
Joined: 20 August 2013
Year and Model: 1996 850 Turbo
Location: Oregon

Post by JasonJarrah »

Lo and behold, there was one blown fuse and it of course was the radio fuse. Works perfectly fine now :)

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abscate
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Post by abscate »

It says "het" if it's stolen. "Hot" is for when the temperature is too high for the CD player.
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erikv11
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Post by erikv11 »

Not following - where was the blown fuse located?
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6 :shock: 153k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k

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