View Full Version : Flash Code in York Packaged Air Conditioners

14-05-2016, 11:40 AM
Dear All.
In a York Packaged unit Model : DMS340 only Blower is working. Both Compressors are not working. UCB -Led is giving 9 Flashes .Description of 9 Flashes is(NO JUMPER PLUG in HEAT Section )kindly some one explain how to trouble shoot this problem. Thanks