Check and make sure the connections are good at the control board. After being stored awhile be sure to purge the lp gas system by lighting the stove top first. Then you may have to keep trying the ref. several times to get that line purged as well. I know that the last part of this post does not have anything to do with it getting an ignition spark but is is neccessary when you haven't used it in awhile.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 350 ISC w/ Banks = 450Hp & 1330# torque
06 Saturn Vue & 06 Chevy Z71 4x4 toads