Dometic rm3862 getting no power
I have a Dometic rm3862, it is getting no power. I thought it was the control board so replaced it with a dinosaur p-711 and still nothing. Im getting 120v at the AC terminals but 0.9v at the AC o...
Forum Discussion
Follow the 12VDC+ (RED Wires)
At Terminal Block (item K)
To Thermal Fuse (item Y....near burner)
To Thermofuse (item U...switch on burner stack)
To J4 terminal on Circuit Board
Check that the 12VDC- (Black Wire)
from Terminal Block to Ground is clean and tight
IF you have 12VDC+ at J4 Terminal then check the 3A fuse...far left...is good (test for 12VDC on both sides of fuse...not just look at it
Wiring Diagram
As for that Dino P-711
Did your Original board part number start with '385' OR '293'??
Not a correct replacement for Black Box '385' boards
At Terminal Block (item K)
To Thermal Fuse (item Y....near burner)
To Thermofuse (item U...switch on burner stack)
To J4 terminal on Circuit Board
Check that the 12VDC- (Black Wire)
from Terminal Block to Ground is clean and tight
IF you have 12VDC+ at J4 Terminal then check the 3A fuse...far left...is good (test for 12VDC on both sides of fuse...not just look at it
Wiring Diagram
As for that Dino P-711
Did your Original board part number start with '385' OR '293'??
Not a correct replacement for Black Box '385' boards
