🔥Furnace

BLINK-7

Carrier · Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace

Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace BLINK-7 Error Fix: LED 7 Blinks — Gas Valve Circuit Failure

The furnace control board LED flashes 7 times, pauses, then repeats. The control board has detected a fault in the gas valve electrical circuit. This means the board is unable to properly command the gas valve to open or close. Possible causes: (1) The gas valve itself has an internal electrical failure — the solenoid coil is open or shorted. Use a multimeter to check the gas valve coil resistance (typically 40-90 ohms for a standard 24V gas valve). (2) Wiring between the control board and gas valve is damaged, loose, or corroded. Check the wire harness connectors at both the board and the valve. (3) The control board's gas valve relay or triac has failed — the board itself can no longer switch the gas valve. If the gas valve coil and wiring check good, the control board likely needs replacement. Gas valve replacement typically costs $200-$400 installed; control board replacement is $300-$600.

High severity2 fixes available✨ Free fix available

Quick Answer

Error BLINK-7 on the Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace means: LED 7 Blinks — Gas Valve Circuit Failure. The top-ranked community fix is “Test Gas Valve Coil and Replace Control Board if Needed” (hard difficulty, ~90 min, DIY cost: $15-$50). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · furnace

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many furnace repairs can be done safely at home, consider hiring a qualified technician if:

This is a high severity error — continued use may cause damage or a safety hazard
The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $300-$600.

Other Carrier Models with Error BLINK-7

58STA090-1-16 90,000 BTU 80% AFUE Single-Stage Gas Furnace

furnace · 2 fixes

Carrier 58SB0 Comfort 80 Single-Stage 80% AFUE Gas Furnace

furnace · 2 fixes

Carrier 59TP6A080E17 80,000 BTU 96% AFUE Two-Stage Gas Furnace with Variable-Speed Blower

furnace · 2 fixes

Other Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace Error Codes

BLINK-1

LED 1 Blink — System Lockout (Retries Exceeded)

2 fixes

BLINK-2

LED 2 Blinks — Pressure Switch Stuck Closed

2 fixes

BLINK-3

LED 3 Blinks — Pressure Switch Did Not Close (Draft Safeguard)

2 fixes

BLINK-4

LED 4 Blinks — Open High-Limit Switch (Overheating)

2 fixes

BLINK-5

LED 5 Blinks — Flame Sensed Without Gas Valve Call (Dangerous)

2 fixes

BLINK-6

LED 6 Blinks — 115V Power Reversed or Neutral Not Grounded

2 fixes

BLINK-8

LED 8 Blinks — Ignitor Circuit Fault / Low Flame Signal

2 fixes

BLINK-9

LED 9 Blinks — Check Grounding / Reversed Polarity

2 fixes

People Also Ask About Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace Error BLINK-7

What does error code BLINK-7 mean on a Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace?

Error code BLINK-7 on the Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace means: LED 7 Blinks — Gas Valve Circuit Failure. The furnace control board LED flashes 7 times, pauses, then repeats. The control board has detected a fault in the gas valve electrical circuit. This means the board is unable to properly command the gas valve to open or close. Possible causes: (1) The gas valve itself has an internal electrical failure — the solenoid coil is open or shorted. Use a multimeter to check the gas valve coil resistance (typically 40-90 ohms for a standard 24V gas valve). (2) Wiring between the control board and gas valve is damaged, loose, or corroded. Check the wire harness connectors at both the board and the valve. (3) The control board's gas valve relay or triac has failed — the board itself can no longer switch the gas valve. If the gas valve coil and wiring check good, the control board likely needs replacement. Gas valve replacement typically costs $200-$400 installed; control board replacement is $300-$600.

How do I fix error code BLINK-7 on my Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace?

The most successful fix is "Test Gas Valve Coil and Replace Control Board if Needed" (hard difficulty, ~90 minutes). Estimated DIY cost: $15-$50. HomeMD has 2 community-ranked fixes for this error.

Is error code BLINK-7 on a Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace error BLINK-7 myself?

Yes — the top-ranked community fix ("Test Gas Valve Coil and Replace Control Board if Needed") is rated hard difficulty and takes about 90 minutes. Tools needed: Multimeter, Nut driver set, Phillips screwdriver.

How much does it cost to repair Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace error BLINK-7?

DIY cost: $15-$50. Professional repair typically costs $300-$600. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace have?

The Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace has 8 other known error codes, including: BLINK-1 (LED 1 Blink — System Lockout (Retries Exceeded)), BLINK-2 (LED 2 Blinks — Pressure Switch Stuck Closed), BLINK-3 (LED 3 Blinks — Pressure Switch Did Not Close (Draft Safeguard)), BLINK-4 (LED 4 Blinks — Open High-Limit Switch (Overheating)), BLINK-5 (LED 5 Blinks — Flame Sensed Without Gas Valve Call (Dangerous)), and 3 more.

Which other Carrier models have the BLINK-7 error?

Error code BLINK-7 also appears on 3 other Carrier models: 58STA090-1-16 90,000 BTU 80% AFUE Single-Stage Gas Furnace, Carrier 58SB0 Comfort 80 Single-Stage 80% AFUE Gas Furnace, Carrier 59TP6A080E17 80,000 BTU 96% AFUE Two-Stage Gas Furnace with Variable-Speed Blower. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace have?

The Carrier Carrier 58STA/STX 80,000 BTU 80% AFUE Single-Stage Upflow Gas Furnace has 8 other known error codes:

Which other Carrier models have the BLINK-7 error?

Error code BLINK-7 also appears on 3 other Carrier models:

58STA090-1-16 90,000 BTU 80% AFUE Single-Stage Gas Furnace (furnace) · 2 fixes
Carrier 58SB0 Comfort 80 Single-Stage 80% AFUE Gas Furnace (furnace) · 2 fixes
Carrier 59TP6A080E17 80,000 BTU 96% AFUE Two-Stage Gas Furnace with Variable-Speed Blower (furnace) · 2 fixes

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