12 volt problems

[baztops]

I have a Bailey Ancona gt65 l recently have been out and the 12v failed so the control panel at the door doesn't work as well as the other 12v systems IE lights ect l checked all the fuses ,the battery and the charger unit which are fine my only other area was the PCB 184 l checked on the rear of this and l only had 1 No 12 supply the rest were dead has any one else had this problem where they were working 1 minute and then for no apparent reason not the next

 

[IanB1485]

I have the same relay/fuse board and the master switch controls RL5 which then brings on the other circuits so either a dry joint, loose connector in the harness from the master switch to the relay /fuse board or faulty relay contacts would cause the issue you having.

 

[baztops]

Thank you for taking the time to reply