What to do if my Rheem (-)802PA075417MSA Furnace has a blower fault and is unable to run?
- NNicole WalkerAug 16, 2025
If the blower in your Rheem Furnace is unable to run due to a blower fault, check the wiring and connections.
What to do if my Rheem (-)802PA075417MSA Furnace has a blower fault and is unable to run?
If the blower in your Rheem Furnace is unable to run due to a blower fault, check the wiring and connections.
What should I do if my Rheem (-)802PA075417MSA has a High Pres. Switch Open?
If the High Pres. Switch is open in your Rheem Furnace, check the gas supply and manifold pressure.
What should I do if my Rheem (-)802PA075417MSA Furnace has a High Pres. Switch Closed?
If the High Pres. Switch is closed in your Rheem Furnace, check the gas supply and manifold pressure.
What to do if my Rheem Furnace is in 1 Hour lockout?
If your Rheem Furnace is in a 1 Hour lockout, attend to fault 10.
What should I do if my Rheem Furnace has a main limit open?
If the main limit is open in your Rheem Furnace, check the line voltage at IDM.
What should I do if my Rheem (-)802PA075417MSA Furnace has a Low Pres. Switch Open, Indcr on High Speed?
If the Low Pres. Switch is open and the Indcr is on High Speed in your Rheem Furnace, check the switches and hoses.
What should I do if my Rheem Furnace has a Low Pres. Switch Open, Indcr on low Speed?
If the Low Pres. Switch is open and the Indcr is on low Speed in your Rheem Furnace, check the switches and hoses.
What should I do if my Rheem (-)802PA075417MSA has a Low Pres. Switch Closed?
If the Low Pres. Switch is closed in your Rheem Furnace, ensure line voltage on IDM pins of IFC connector.
What to do if my Rheem Furnace has an unexpected flame Twinning fault?
If your Rheem Furnace shows an unexpected flame Twinning fault, you can try the following: * Check the thermostat in “heat” mode, battery, wire, and connections. * Check the line voltage at IDM. * Check wires and connections between IDM and IFC. * Check PS contacts. * Check wires for short. * Check IFC.
What to do if my Rheem (-)802PA075417MSA Furnace has an internal control fault?
If your Rheem Furnace has an internal control fault, check for blown fuses.
Critical safety warnings regarding installation and operation procedures.
Details on providing adequate air for combustion and ventilation.
Instructions and guidelines for proper furnace venting systems.
Important safety information for natural gas and propane fuel types.
Guidelines and requirements for installing gas piping.
Information on gas supply pressure requirements and measurement.
Procedures for measuring and adjusting gas supply and manifold pressures.
Instructions for making field electrical connections to the furnace.
Step-by-step description of the furnace ignition and operation sequence.
Codes and display information for diagnosing furnace faults.
Explanation of general lockout conditions and how to clear them.
Description of the five-minute "soft" lockout condition.
Description of the one-hour "soft" lockout condition.
Explanation of conditions causing a hard lockout.