MIS WIRING" is displayed when there is a DC offset voltage detected at the speaker terminals ('+' and '-').
This is normally caused by connecting a '+' or '-' speaker wire to either GND or Vcc (+12V)
1. Collect cable not being used and make sure they are tapped off and reset
2. Remove a connected cable one at a time and press RESET
3. If after a cable removal and reset the error goes away, last cable removed was fault. Examine cable for short.
4. If you remove and reset all cables except for (RED, YELLOW, and BLACK) and you stilll have error, the short is internal of unit and requires service
First disconnect dc cable then press back and source button Simultaneous then connect dc cable now displayed data clearing and car audio set is start playing
Mine has done same thing only from turning it up I've checked all wiring as I'm a auto electrician and same problem have tried resetting the unit multiple time to no avails so I'd say internally as would yours be shame really was bumping quite hard at the time hahaha
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