WebBefore you do anything, turn off the main power switch on the unit or at the breaker box. You risk an electrical shock working on a powered furnace. 1. Inspect the pressure switch. Access the control board and inspect if the switch is stuck due to any blockage, a wire disconnection or any kind of mechanical jam. WebJul 2, 2024 · FIX: Control does not detect a model plug or detects an invalid model plug. Unit will not operate without correct model plug CODE: 31 PROBLEM: High Pressure Switch Open FIX: High – pressure switch trip. Check refrigerant charge, outdoor fan operating and coils for airflow restrictions CODE: 32 PROBLEM: Low Pressure Switch …
Properly Diagnosing a Gas Furnace Pressure Switch
WebTo see if the flame rollout switch is faulty, you need to utilize a multimeter, checking the continuity. When the switch doesn’t have continuity and the reset button isn’t tripped, … WebOct 29, 2011 · Carrier furnace model 58STA070 is flashing status code 31 (Pressure switch did not close or reopen). Took off tube and pressure switch works when I blow … smackdown results 10/28/22
Bryant 212 HVAC
WebMake sure that the temperature setting on the thermostat is set above (or higher than) the indoor temperature showing on the thermostat. Ensure that there is power to the furnace: … WebOct 21, 2024 · To test for continuity across the pressure switch, follow these steps: Turn off power to your furnace and open its access panel. Disconnect the two wires from the pressure switch. Touch the two … WebJan 5, 2011 · I have a 10 yr old Bryant gas furnace that continuously is giving a code 31. According to the chart on the furnace this is an issue with the pressure switch. I purchased a new pressure switch and that did not solve the issue. I also cleaned the flame sensor. I next removed the inducer blower case and cleaned it and resealed it. smackdown results 10/22/21