27
Dec
Low Pressure Switch Strikes Lockout. We are here to help you to learn how to do HVAC service things like. Critical Outdoor Unit The low pressure switch has opened 5 times during one cooling cycle. Defect of low pressure sensor 76. Between the low and high balance point the heat pump and furnace will heat the home.
Defect of connector contact Defect of PCB. Installer setSystem devicesHP heating Lockout Time default is 120 minutes will lock the heat pump off. Low Pressure Switch LO-PS See figure 30 for low. High or low pressure safety switch problem time delay relay problem if equipped low voltage fuse blown problem if this is a heat pump it could be a defrost control board problem or a low voltage transformer problem. Defect of connector contact Defect of PCB. Critical Outdoor Unit The low pressure switch has opened 5 times during one cooling cycle.
Simply put your gas furnace is made up so that when you power the furnace and adjust your thermostat the control board gets a call for heat.
If a pres-sure switch opens and closes four times during a Y1 In-put the control logic will reset the pressure switch trip counter to zero at the end of the Y1 Input. All furnaces need to have adequate ventilation and a dirty air filter can cause a system lockout to occur. Low Pressure Switch LO-PS See figure 30 for low. If the heat pump cannot raise the temperature 05F in 30 minutes on the zone or zones the HP heating Lockout Time Location. What you can do is shut the power off to the furnace and then turn it back on that should reset the fault code for the pressure switch lock out. Between the low and high balance point the heat pump and furnace will heat the home.