DOMETIC REPLACEMENT BOARD ò 2-way or 3-way operation. ò Fuse protected. ò Variable temperature adjustment for Fixed Temp refrigerators. ò CHECK light comes on after each ignition try fails to sense a flame. ò Repeats the 3 try ignition cycle at 30 minute intervals if no flame is sensed. ò DC element will drop out and the DC mode light will flash in 3-ways if the voltage level falls too low for more than 10 seconds. ò 3-yr. warranty. *Use the 3850415.01 board only to replace previously properly installed Dometic« 3850415.01 boards DO NOT USE 3850415.01 to replace any older Dometic« black boxes or the CDS#64846.