Dometic New Dimensions - Upper Control Board; Upper Control Board Symptoms; Initial DC Voltage Check

UPPER CONTOL BOARD
 The function of the Upper Control
Board is to send commands to the
Lower Control Board
 Symptom: No LED lights or no operation
 1
st
check for DC voltage at the 5/6 wire Harness
plugged into the P1 terminal on Lower Board.
 Check between terminal 5 – red and terminal 4 +
orange wire. This is the DC voltage going to the upper
control board. Note: If no voltage, check 3 amp fuse
and then at the terminal block.
PG.
13