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Back to Trane 5TWR6060A1

Trane 5TWR6060A1 troubleshooting and error codes

Use this table to identify what the visible code may mean and what information to share when scheduling service. Keep checks simple and visible; do not open electrical, refrigerant, gas, or sealed equipment compartments.

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Error-code table

Search codes for 5TWR6060A1

Code Meaning System area Safe first step Action
1 Flash Ambient temperature sensor out of range Outdoor ambient sensor Document the flash pattern, check thermostat, filter, and visible outdoor-unit obstruction status, and schedule service if the condition remains. View details
2 Flashes Coil temperature sensor out of range Outdoor coil sensor Document the flash pattern, check thermostat, filter, and visible outdoor-unit obstruction status, and schedule service if the condition remains. View details
3 Flashes Low pressure switch is open Pressure safety circuit Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service. View details
4 Flashes Hard lockout Defrost control lockout Record the flash pattern, avoid repeated reset attempts, and schedule GreenFlow service. View details
5 Flashes Soft lockout Defrost control lockout Document the flash pattern, check thermostat, filter, and visible outdoor-unit obstruction status, and schedule service if the condition remains. View details
6 Flashes Defrost cycles too close together Defrost operation Document the flash pattern, check thermostat, filter, and visible outdoor-unit obstruction status, and schedule service if the condition remains. View details
7 Flashes Timed defrost mode: ambient sensor or reversing valve check Timed defrost operation Document the flash pattern, check thermostat, filter, and visible outdoor-unit obstruction status, and schedule service if the condition remains. View details
8 Flashes Timed defrost mode: coil sensor or reversing valve check Timed defrost operation Document the flash pattern, check thermostat, filter, and visible outdoor-unit obstruction status, and schedule service if the condition remains. View details
9 Flashes Low ambient soft lockout Low ambient operation Document the flash pattern, check thermostat, filter, and visible outdoor-unit obstruction status, and schedule service if the condition remains. View details

Safety note

What is safe to check before service

These pages are meant to help document the issue, not replace diagnosis. GreenFlow should handle pressure-switch, electrical, refrigerant, lockout, recurring, and warranty-related conditions.

Safe visible checks

  • Thermostat display and settings
  • Filter condition and return-air path
  • Visible outdoor-unit obstruction
  • Photos of the code, unit, and nameplate

Stop and call

  • Repeated lockouts or recurring faults
  • Pressure-switch or sensor faults
  • Electrical odor, unusual noise, or ice buildup
  • Any sealed cabinet, refrigerant, gas, or warranty issue

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