To Next PageTo Next PageWhat to do if my Carrier 58CTW Furnace control auto-resets after failing to ignite gas 4 times?
If the Carrier Furnace control auto-resets after the system fails to ignite gas in 4 attempts, refer to the section that describes the flashed status code for further troubleshooting.
General| Model | 58CTW |
|---|---|
| Heating Capacity | 40, 000 to 120, 000 BTU/h |
| Fuel Type | Natural Gas or Propane |
| Blower Motor | Variable Speed ECM |
| Blower Type | Variable Speed |
| Warranty | 10-year Parts |
| Stages | Two-Stage |
Hazards from improper operation, injury, death, or property damage.
Unit component damage from improper application or installation.
General safety precautions for installation, servicing, and handling.
Minimum clearances from combustible materials for furnace installation.
Vent clearances for single wall and Type B vents.
Hazards from electrostatic discharge damaging unit components.
Furnace placement and installation application considerations.
Contaminated air causing furnace damage.
Negative pressure conditions affecting furnace operation.
Inadequate air supply for combustion, ventilation, and dilution.
Criteria for using indoor air based on space volume and infiltration.
Installation procedures for the upflow configuration.
Instructions for side return air inlet configurations.
Instructions for installing leveling legs.
Methods for suspending the furnace from overhead supports.
Methods for supporting the furnace on a platform.
Standards and guidelines for duct system design and sizing.
Guidelines for connecting supply air ducts to the furnace.
Hazard from operating furnace without a filter or with door removed.
Hazards related to gas piping installation and leak testing.
Hazard from improper gas pipe connection causing damage.
General electrical safety warnings for installation and servicing.
Hazard from bypassing blower door switch during start-up.
Hazard from improper cabinet grounding.
Instructions for connecting to the furnace junction box.
Hazard from using aluminum wire for connections.
Instructions for installing a power cord into the junction box.
Instructions for installing BX cable into the junction box.
Instructions for making 24-volt wiring connections.
Hazards from improper venting procedures.
Safety codes and requirements for proper vent sizing and installation.
Hazards from bypassing the draft safeguard switch.
Hazard from hot vent pipe near children.
Caution regarding hot vent pipes in downflow installations.
Hazard from sharp metal parts when handling parts.
General steps for starting up and checking the furnace.
Critical warnings and cautions during start-up and adjustment.
Hazards related to gas purging and leak testing during start-up.
Hazard from bypassing blower door switch during start-up.
Hazard from improper regulator adjusting screw use.
Hazard from improper orifice drilling or manifold pressure.
Test procedure for the main limit switch.
Test procedure for the draft safeguard switch.
Test procedure for pressure switches.
A checklist for completing start-up and safety checks.
General notes for understanding furnace operation and troubleshooting.
Information on furnace electrical controls and wiring.
Procedure for initiating the furnace component self-test.
Hazards from storing items near the furnace.
Safety precautions before performing maintenance.
Hazard from operating without a filter or with door removed.
Hazard from sharp metal parts when handling filters.
Hazard from bypassing blower door switch during motor service.
Hazards related to gas purging and leak testing during operation check.
Operation sequence for 2-stage heating with a single-stage thermostat.
Operation sequence for single-speed cooling.
Operation sequence for 2-speed cooling with a single-stage thermostat.
How to adjust continuous blower speed via thermostat.
Contact information for Carrier Corporation's Consumer Relations.
