Rene has worked 10 years in the HVAC field and now is the Senior Comfort Specialist for PICKHVAC. He holds an HVAC associate degree and EPA & R-410A Certifications.. CHECKOUT: 1. Check Unit Operation. Reset the unit by turning off power to the outdoor unit for at least 2 minutes. Turn power back on. Put the unit in Cooling mode and turn the set point to its lowest setting.. The unit only has one refrigerant port on the external suction line (which is high pressure in the heating mode).
410A MINI-SPLIT TROUBLESHOOTING GUIDE FUJITSU GENERAL AMERICA, INC. (866) 952-8324 Part # 6-26-FG2020 Rev. 5/2019 Service Dept.: (973) 575-0381 servicehvac@fujitsugeneral.com. Troubleshooting Common Issues With Your Fujitsu Air Conditioner After Reset. Even after resetting your Fujitsu air conditioner, you may encounter certain issues. Here are some common problems and their potential solutions: Unit Not Turning On: If the unit does not turn on even after a reset, check if the power supply is functioning correctly.