Cd says disc fault but not on all. Have cleaned disc then sometimes plays not always.error code 4 appears

barry gifford, July 2011

E4 code depends on what radio unit you have.

RDS 6006E = focus error:- disc dirty or upsidedown:- try different CD if fault continues replace the radio.

RDS 6000 = overtemp error:- unit is overheating:- check the heater supply pipes for leaks, if none found and fault continues replace the radio

nigel, July 2011