What to do if my Rheem Furnace has a blower fault and is unable to run?
- WWilliam WatsonAug 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 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 Furnace 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 to do if my Rheem (-)802PA050314MSA Furnace has an unexpected flame Twinning fault?
Identifies and labels various parts of the furnace unit.
Details CSA certification, gas types, and installation codes for furnaces.
Procedures for inspecting furnace cartons and contents for transit damage upon delivery.
Specific warnings and consumer education for California residents regarding product chemicals.
Items to verify for gas supply installation, including pipe size and pressure.
Items to verify for electrical connections, including voltage and grounding.
Items to verify for furnace installation, including clearances.
Items to verify for duct static pressure and temperature rise.
Items to verify for proper venting installation and clearances.
Items to verify for adequate combustion air supply and openings.
Warns against mobile home installation, bypass of safety switches, and improper gas use.
Highlights the need for proper combustion air and sealed ducting to prevent hazards.
Advises on filter use and drain pan installation to prevent damage and ensure safety.
Warns against operating without the blower door and maintaining correct temperature rise.
Details requirements for heating during construction and proper duct sealing.
Discusses duct system impact on IAQ, efficiency, and recommends professional checks.
Mandates specific height and protection for furnaces installed in garages to prevent fire/explosion.
Provides criteria for choosing an installation site considering ductwork and gas piping.
Details required clearances for fire protection and service access.
Discusses installation on combustible floors and warnings against direct carpet or tile installation.
Emphasizes keeping the area around the furnace clear of flammable materials.
Detailed steps for connecting ductwork in an upflow furnace configuration.
Alerts about airflow values, return air sources, and blower door safety.
Steps for installing ductwork on horizontal furnaces, including return air connections.
Outlines necessary fresh air provisions for proper combustion and ventilation.
Details the function and importance of overtemperature safety switches.
Specifies combustion air needs for both confined and unconfined installation spaces.
Details requirements for combustion air in unconfined installation areas.
Details requirements for combustion air in confined installation areas.
Guidelines for connecting the combustion air intake pipe, including elbow usage.
Procedures for using attic air for combustion, including elbow installation and pipe length.
Details about the draft inducer and warnings related to vent pipe attachment.
Information on furnace category, replacement venting, and vent pipe diameter selection.
Guidelines for vertical venting using Type B-1 vent pipe and related support requirements.
Details on vent termination, slope, support, and connectors for vertical systems.
Manufacturer's statement regarding HTPV pipe usage in Category III venting.
Guidelines and contact information for using power venter models for horizontal venting.
Critical instructions for inspecting and servicing existing vent systems during replacement.
Crucial safety information for natural gas and propane fuel usage and leak detection.
Guidelines for gas piping installation, codes, and regulators.
Warns about conversion to LP gas and using correct kits to prevent hazards.
Covers local codes, supply lines, shut-off valves, and connection practices.
Specifies minimum and maximum supply pressures for natural gas and LP gas.
Advises on adjusting input rating and orifices for elevations above 2000 ft.
Describes the 24-volt gas valve, its pressure regulation, and slow-opening function.
Details how to measure and adjust the incoming gas supply pressure.
Procedures for measuring and adjusting manifold gas pressure for optimal furnace operation.
Procedures for converting NOx insert models to LP gas.
Steps for changing orifice spuds for LP gas conversion or altitude adjustments.
Information on voltage, circuit protection, and connection points for wiring.
Detailed steps for moving the electrical junction box to the opposite side of the cabinet.
Guidelines for thermostat compatibility and low-voltage wiring connections.
Power supply details for optional electronic air cleaners and humidifiers.
Information on flue and chimney adapters for furnace installation.
Recommendations for keeping furnace filters clean for optimal performance.
Procedures for installing two furnaces side-by-side, controlled by a common thermostat.
Information on using UT Electronic Controls for twinning furnace operations.
Guidelines for installing and adjusting furnaces at high altitudes using natural gas.
Instructions on how to select and order replacement orifices based on altitude.
Guidelines for LP gas furnace installation and orifice selection at high altitudes.
Sequential instructions for initiating furnace operation and setting thermostat.
Steps to safely turn off the furnace, including a critical warning.
Describes the step-by-step process of furnace operation with UT controls.
Explains the diagnostic display and lists normal operating and fault codes.
Describes how the system displays and prioritizes simultaneous faults.
Explains the cause and reset procedure for a five-minute soft lockout.
Details the causes and automatic reset for a one-hour soft lockout.
Lists the conditions that trigger a hard lockout, which cannot be reset by cycling the heat call.
Instructions for configuring the seven-segment display orientation using dipswitch SW1.
How to set cooling and heat blower off delay times using dipswitches SW2-SW5.
Configuration of auto-staging using SW6 and SW7 for two-stage furnaces.
Procedure for manually clearing the fault code memory buffer using dipswitch SW8.
How faults are recalled and the function of the flame status LED indicator.
Steps for adjusting and verifying the furnace's input rate using gas pressure and orifices.
Instructions for setting the furnace input rate based on gas heating value and orifices.
Steps for checking and verifying the furnace's temperature rise.
Emphasizes adjusting temperature rise to the middle of the range to prevent damage.
Instructions for selecting blower speeds for heating, cooling, and fan operation.
Explains the high limit control and common causes for its activation.
Details the function of flame roll-out and pressure safety switches.
Emphasizes the importance of keeping filters clean to prevent issues.
Instructions regarding motor lubrication and periodic cleaning.
Tips for customers to ensure efficient and economical system operation.
Guidelines for annual inspection of flue passageways, burners, and markings.
Information on obtaining replacement parts and using diagnostics.
A step-by-step flowchart to help diagnose furnace operational issues.
Provides a comprehensive wiring diagram for the furnace control system.