Got a dm800 that was working fine, now showing no signal, have swapped it over with another and same error, checked the cabling, everything seems ok.
Could a weak psu cause the no signal?
TIA.
Ahh!
Process of elimination is the same though, you must test only one thing at a time though
Suspect PSU
Try another PSU
Suspect signalling issue
Try receiver in another location- Proves receiver is fine
Try anoither device where current receiver is located- if other device fails, signal issue in location
Software/Frequencies
If the frequencies you have in receiver are for wrong area, you won't get signal
You will need to provide more details as to what you have done
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