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Goodman Error Code L7: Lockout – open run circuit detected 4 times (AC)

Updated · by Aurora Star Tech Inc.

Goodman error code L7 on a air conditioner means: Lockout - open run circuit detected 4 times. It is also called Goodman diagnostic code L7.

Critical severityAir ConditionerAlso Heat PumpGoodman/Amana ComfortNet ASXC/GSXC/DSXC

Homeowner? What Goodman code L7 means for you

Stop and call Your air conditioner is reporting: Lockout - open run circuit detected 4 times. This code is a safety shutdown. Turn the air conditioner off and call a licensed technician. Do not keep resetting it. If you smell gas, leave the house and call your gas utility or 911 from outside.

Safe things you can check yourself

  • Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
  • Check both breakers and the outdoor disconnect box beside the outdoor unit; all should be ON.

Call (647) 657-2977Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Goodman error code L7 mean?

The open run circuit fault was seen 4 times with 5 minutes between each detection, so the compressor is locked out.

Applies to: Communicating 2-stage condensers and heat pumps with the PCBHR104 or PCBHR105 outdoor control (7-segment display): ASXC16/18, GSXC16/18, DSXC16/18, ASZC16/18, GSZC16/18, DSZC16/18

Common causes of Goodman code L7

  • Compressor run winding open
  • Compressor not wired correctly to the control
  • Faulty compressor wiring
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

Goodman models that use code L7

Show all 23 models

ASXC160241ASXC160361ASXC160481ASXC160601ASXC180241ASXC180361ASXC180481ASXC180601DSXC160241DSXC160361DSXC160481DSXC160601DSXC180361DSXC180481DSXC180601GSXC160241GSXC160361GSXC160481GSXC160601GSXC180241GSXC180361GSXC180481GSXC180601

Other Goodman AC codes

CodeMeaning
E5Outdoor control low-voltage fuse open
EEOutdoor control fault - compressor relay contacts welded
H8High line voltage
L1Lockout - low pressure switch tripped 3 times
L2Lockout - high pressure switch tripped 3 times
L6Lockout - open start circuit detected 4 times
L8Low line voltage
P0Compressor protector open
Yellow 1 flashLow side fault / low pressure trip / low pressure lockout (older ComfortNet board)
Yellow 2 flashesHigh side fault / high pressure trip / high pressure lockout (older ComfortNet board)
Yellow 3 flashesShort cycling (older ComfortNet board)
Yellow 4 flashesLocked rotor (older ComfortNet board)

All Goodman Air Conditioner error codes →

Goodman code L7: homeowner questions

What does Goodman code L7 mean?

Lockout - open run circuit detected 4 times. The open run circuit fault was seen 4 times with 5 minutes between each detection, so the compressor is locked out.

Is it safe to keep using my air conditioner with code L7?

No. Code L7 is a safety shutdown, so keep the air conditioner off until a licensed technician has checked it.

Can I reset Goodman code L7 myself?

Do not keep resetting it. Repeated resets can hide a safety problem; a licensed technician needs to find the cause.

Who can fix Goodman code L7 near me?

Aurora Star Tech Inc. repairs Goodman air conditioners in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.

Homeowner help: AC Running But Not Cooling: What to Check

Troubleshooting guides

Source: Goodman ComfortNet ASXC/GSXC/DSXC, ASZC/GSZC/DSZC, AVPTC/MBVC service manual, Unitary Diagnostic Codes PCBHR104 p.71-77 and PCBHR105 p.78-84. Written in our own words as a summary; always check the original manual.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Emergency HVAC Service

647-657-2977