I have a Giant Sun Dancer running a DLE 55. Had no problems with it. Work took me away from RC flying for about 4 years. Stored all my planes properly, batteries removed, tanks defuled, stored in a climate controlled facility. Getting around to getting my birds back in the air. Replaced all 3 batteries in the Sundancer (smoke sys. receiver, ignition sys w/ opti-kill switch. New Roto-Flow tank. Pulled the engine removed and inspected the carb. New CM-6 plug. All is good. Won't start. Going over everything I discovered.....no spark to the plug. All connections the same. I'm guessing the ignition module is bad. Is there a way the bench test it to confirm it's bad? Would it sitting for 4 years cause it to fail? Just curious.

BTW this engine was purchased in 2008. Has 15 +/- hours on it. I was using a 4.8v battery in the past but I did install a new 6 volt battery for the ignition circuit. The module is rated between 4.5v & 6.0v. Could I have possibly fried the module with the 6v. battery?


Mike (ACF)

Mike, plug the ignition battery directly in to the ignition module. If you still don’t get a spark change the sensor and then the ignition module. If you get a spark start changing the items you bypassed. Dan.

Some people have had good luck running 5 cells on the older ignitions and some have not, A 5 cell pack will charge to around 7.5 volts and the ignition's were not made to handle that much voltage.

A good way to check your ignition is to short the two outside leads going to the sensor, Every time you short them and then release the ignition should fire.

Milton

Thanks, I'll give it a try. Mike

jedijody wrote a pretty good troubleshooting guide that's been saved on the second page of the newbie section here:

http://www.rcuniverse.com/forum/gas-...rmation-2.html

Drop down to post #36

Best of luck! -Al

Al, thanks for the link. Mike

Al, followed the steps for trouble shooting that Jodi posted. All is good. Turns out the extension wire for the ignition battery was bad. $4.50 repair as apposed to $70.00+ for a new module. Thanks again. Mike