Responded to a service call for a 30-year-old furnace with intermittent operation issues. Diagnosed flame sensor contamination causing ignition failure after multiple ignition attempts. Performed flame sensor cleaning to restore proper ignition sequence. System was successfully tested after service, though customer was advised about the advanced age of the equipment.
Responded to no heat emergency call for recently installed Lennox furnace (WT 07-2035). Upon arrival, unit was running but not producing heat with thermostat set to 68°. Inspection revealed minor debris (3 moths) in intake screen. Performed diagnostic testing with multimeter on internal components to identify ignition failure issue. System was attempting to cycle but failing to establish flame.
Responded to no-heat call for 15-year-old forced air furnace with intermittent operation. Diagnosed multiple component failures including failing ignitor, leaking inducer motor and collector box. Found flame sensor had been cleaned by customer prior to arrival. Due to age and extent of issues, recommended and replaced complete furnace system.
Performed furnace tune-up inspection on 13-year-old unit, discovering a cracked heat exchanger. Due to critical safety concern, recommended complete furnace replacement. Documented gas valve and connection points showing signs of oxidation/corrosion on the copper/brass piping system.
Performed follow-up service on previously serviced gas water heater that stopped functioning after recent gas valve and thermal coupling/gas harness replacement. Diagnostic testing revealed faulty pressure switch as the root cause of no hot water issue. Successfully replaced pressure switch, restoring proper operation to the water heater.
Diagnosed thermostat reading 2-3 degrees off from actual room temperature. Set thermostat to circulate mode to address uneven heating between floors. Tested heating system operation and confirmed proper functionality. Submitted request for room sensor installation to improve temperature differential readings.
Responded to thermostat error code indicating faulty outdoor temperature sensor. Diagnosed issue by confirming outdoor sensor malfunction. Successfully replaced defective sensor, clearing error code and restoring proper system operation.
Diagnosed intermittent humidifier operation issue previously reported on 12/4. Reconfigured Aprilaire humidifier control settings to operate only when furnace is in heating mode with blower fan running. Verified proper functionality of digital humidity control panel displaying 24% relative humidity with active status indicator illuminated.
Diagnosed 7-year-old 50 gallon natural gas water heater displaying error code indicating a faulty gas valve. Replaced defective gas valve assembly along with thermal coupling and gas harness, restoring proper hot water functionality to unit.
Responded to service call for 22-year-old furnace making loud noise. Diagnosed failing inducer motor and possible secondary heat exchanger leak. Replaced inducer motor to restore proper operation, though unit may require full replacement in near future due to age and potential heat exchanger issues.
Responded to client request to remove the white backplate from Honeywell Home ProSeries thermostat for aesthetic purposes. Successfully removed backplate as requested, leaving thermostat properly mounted and functioning at 63°F. Client will have painter husband complete any cosmetic touchups to the wall.
Responded to no-heat call for 19-year-old Carrier furnace. Diagnostic testing revealed seized induced draft motor and extensive water damage from AC affecting multiple components including control board, burners, and blower motor. Replaced induced draft motor to restore immediate heating function and scheduled service advisor for assessment of additional damaged components. Verified proper operation before departure.
Completed corrective action following failed city inspection by installing UV protection on refrigerant line and adding tamper-proof caps to ensure code compliance. Unit now has proper insulation and protective components in place.
Responded to service call regarding inoperable humidifier that was installed 4 months ago. Diagnosed issue with damper not opening due to an obstructive screw in the bypass duct. Replaced screws, verified proper damper operation, and confirmed water flow by cycling the unit from the humidistat. Set humidistat to 30% and properly remounted bypass to humidifier.
Responded to failed inspection regarding cellular core vent piping. Removed non-compliant cellular core PVC and installed code-compliant solid core PVC vent piping with appropriate connections and primer. Work completed to meet current plumbing code requirements for exposed vent piping.
