Examined Oven unit, found no water to clean jet pump and no moisture solenoid, removed and replaced triple solenoid, tested water to moisture solenoid none out of y4 solenoid pulled solenoid no voltage to y4 voltage 207 to moisture solenoid ohmed wiring back to board ohmed out removed and replaced relay board, did not solve problem, unit heating in steam, when turned on not heating in dry heat - tried replacing touch screen, did not solve problem, removed board. Called Rational, spoke to Romo, he said could have shorted wire inside unit, will return. 11/1/19 Returned for service, traced problem to relay board, no coil power out of relay board, replaced relay board, unit heated in steam and hot air but hot air elements inner element staying on - traced problem to new relay board coil voltage not dropping out, relay stuck closed, will order new board. 11/4/19 Returned for service, removed and replaced relay board in bottom of oven, tested, ran in steam and hot air oven, oven heated cor