CountryMouse
Member
2016 Landmark Key West with three AC units. The 2nd, or middle AC unit quit working. We have always used 50 amp surge protectors and have recently found the camper has another surge protector built in. While trying to figure out the problem we found the thermostat LED would pulsate when turned on. All settings were the same as they were when last used, but we were not able to adjust settings. Dominic's operating manual suggested resetting the communication with the unit by pressing two buttons simultaneously. The LED screen is now blank, with no lighting except when the power button is held down, yet there is no readout.
We feel like there is a power supply problem, but we don't know where to begin troubleshooting. Has anyone had similar issues that can offer advise? Our closest service center is over an hour away and is generally backlogged up to two months.