Safety Note:
Always disconnect power before attempting removal of components. Be aware of sharp edges inside cabinet. Mark wires and/or take pictures to aid in reassembly. Call U-FIX-IT Appliance Parts for assistance with questions you may have during the diagnosis and repair process.
Heating - Gas furnace is running but burner never lights
Gas Valve – Needs to be replaced if gas valve is receiving 24 volts and does not open. Call the U-FIX-IT Appliance Parts store for free assistance with diagnosis.
Safety – Rollout, limit switches, and pressure switch can cause this symptom. Call the U-FIX-IT Appliance Parts store for free assistance with diagnosis.
Electronic Control Board – If all safeties test good and gas valve is not receiving 24 volts the electronic control board is probably bad. Call the U-FIX-IT Appliance Parts store for free assistance with diagnosis.
Heating - Gas furnace is running but burner goes out after lighting
Heating - Gas furnace is not running
Transformer – This device provides 24 volt power to control both the indoor and outdoor unit. The transformer is usually located inside the furnace. Shut off power to indoor unit, remove transformer and bring in for free testing or call the U-FIX-IT Appliance Parts store for free assistance with diagnosis.
Door Switch – Door switch detects if panel covering blower motor has been removed from furnace. Call the U-FIX-IT Appliance Parts store for free assistance with diagnosis.
Heating - Electric furnace is running but blowing cold air
Heater coil – This device converts electricity to heat inside the furnace. Call the U-FIX-IT Appliance Parts store for free assistance with diagnosis.
Safety – Door switch, and limit switches can cause this symptom. Call the U-FIX-IT Appliance Parts store for free assistance with diagnosis.
Heating- Electric furnace is not running
Blower Motor – Shut off power to indoor unit, remove both motor and capacitor to bring in for free testing or call the U-FIX-IT Appliance Parts store for free assistance with diagnosis.
Transformer – This device provides 24 volt power to control both the indoor and outdoor unit. The transformer is usually located inside the furnace. Shut off power to indoor unit, remove transformer and bring in for free testing or call the U-FIX-IT Appliance Parts store for free assistance with diagnosis.
Door Switch – Door switch detects if panel covering blower motor has been removed from furnace. Call the U-FIX-IT Appliance Parts store for free assistance with diagnosis.
Wall Thermostat
Problems not listed – Call U-FIX-IT Appliance Parts for free assistance as you diagnose the problem and complete the repair.
