Haier Commercial Cool 12K BTU model CPRD12XC7. I had the light flashing with the word stop on it tried turning it on and off but didn't work. On my Haier air condition 12K the stop button keeps flashing and the red button within the triangle keeps flashing. As such, it can be quite a nightmare when an air conditioner light blinking malfunction sets in, for more than likely, the Report This by Manage My Life. Master Appliance Repair Technician. Vocational, Technical or Trade Scho. Step 3 Rearrange your room to suit the location of the air conditioner. Tags . Share it! Some Haier air conditioners have a "Fan Only" mode for gentle cooling without the motor. Get more answers from the people in your networks . Chas. There was no power and now won't reset. July 18th, 2011. I have an Haier CPN12XC9 10,000BYU air conditioner/8000 BTU heater it went off the LCD screen keeps flashing STOP I have unpluged it for three days and it continues to flash stop I have hit the reset … the haier hpd10xcm - lw does not have a bucket for water to accumulate this unit has and evaporator to it that evaporates the water. I have the commercial cool portable air conditioner product and it was warming my room and then started blinking stop and now wont work at all.. what do I do? Or, order replacement parts and schedule service online, 24/7. Search our use and care manuals for info about your AC unit. Air Conditioner Support You're all about looking hot, but prefer not to break a sweat just lying on the couch. For homes located in areas with high temperatures and humidity, an air conditioner is almost like a basic need. 9,421 satisfied customers. Air conditioner light blinking is a major problem in homes that sport this gadget. So, when your Haier air conditioner isn't keeping up its end of the bargain, we have you covered. … read more. Increase the fan speed if you need a stronger blast of air or find the unit too weak. Blinds, curtains, furniture and chairs can all block air flow out of the air conditioner and negatively impact the appliance's cooling effect.