Service call for error code on thermostat. This is a daikin ducted unit that serves the kitchen and another room off of the kitchen there are two zones and the air handler is located in the attic with a pull down stair case. The thermostats were giving an error code of E3 indicating high pressure. System was reset checked air filters and coils. Air filter is not dirty and in good condition also coils are not dirty to cause a high pressure issue. After resetting system was on and running checked pressures and all operations system is currently operating with out any faults. Customer had a coupon for a free service call. Customer will monitor system and call back if any issues. https://visionshare.xoi.io/?id=ms091f0d6d-575d-i184-85e44cd1946e-uF83-61b55d9b47af