HVAC & Appliance Error Code Lookup

Find your error code below. Each guide includes what the code means, safe DIY troubleshooting steps, when to call a professional, and estimated repair costs.

HVAC Error Codes

Furnace, air conditioner, and heat pump diagnostic error codes by brand.

Carrier

Also: Bryant, Payne, Heil, Day & Night

16 error codes

Two-digit code: first digit = yellow LED flashes, second digit = green LED flashes (e.

Trane

Also: American Standard

12 error codes

Single-digit flash code: count the number of LED flashes in each repeating sequence (e.

Lennox

14 error codes

Newer models use digital E-codes on the control board display (e.

Goodman

Also: Amana, Daikin

12 error codes

Single-digit flash code: count the number of red LED flashes in each repeating sequence (e.

Rheem / Ruud

Also: Rheem, Ruud, WeatherKing

12 error codes

Single-digit flash code: count the number of LED blinks in each repeating sequence.

Appliance Error Codes

Washer, dryer, dishwasher, and refrigerator error codes by brand.

Whirlpool Washer

Also: Maytag, KitchenAid, Amana, JennAir

10 error codes

Whirlpool Dryer

Also: Maytag, KitchenAid, Amana, JennAir

10 error codes

Whirlpool Dishwasher

Also: Maytag, KitchenAid, Amana, JennAir

10 error codes

Whirlpool Refrigerator

Also: Maytag, KitchenAid, Amana, JennAir

9 error codes

Samsung Washer

10 error codes

Samsung Dryer

10 error codes

Samsung Dishwasher

10 error codes

Samsung Refrigerator

10 error codes

LG Washer

Also: Kenmore

10 error codes

LG Dryer

Also: Kenmore

10 error codes

LG Dishwasher

Also: Kenmore

10 error codes

LG Refrigerator

Also: Kenmore

10 error codes

GE Washer

Also: Hotpoint, Haier

10 error codes

GE Dryer

Also: Hotpoint, Haier

10 error codes

GE Dishwasher

Also: Hotpoint, Haier

10 error codes

GE Refrigerator

Also: Hotpoint, Haier

10 error codes

How to Use Our Error Code Guides

When your furnace, air conditioner, heat pump, or appliance displays an error code, it's telling you something specific about what went wrong. Our guides help you:

  1. Understand the code — what it means in plain English
  2. Try safe DIY fixes — simple steps you can do yourself before calling for service
  3. Know when to call a pro — some issues require professional diagnosis and repair
  4. Estimate repair costs — so you know what to expect before the technician arrives

Important: Error codes can vary by specific model and control board version. Always verify against your owner's manual or the diagnostic label on your unit. When in doubt, call a licensed professional.

Need Professional Help?

Texas Temp Masters provides expert HVAC and appliance repair in Killeen, Waco, Temple, and surrounding Central Texas communities. Call (817) 704-0706 or contact us online for fast, reliable service.

Frequently Asked Questions

How to identify a faulty appliance?
Look for warning signs: unusual noises (grinding, buzzing, clicking), error codes on the display panel, failure to start or complete cycles, leaking water, unusual odors (burning smell), inconsistent temperatures, or tripping circuit breakers. Most modern appliances display specific error codes when something goes wrong -- enter the code into our free Error Code Lookup to find out what it means, try safe DIY fixes, and know when to call a professional.
What are the most common furnace error codes?
The most common furnace error codes include: pressure switch faults (1 flash/blink on many brands), ignition failure or no flame detected (typically 3-4 flashes), flame rollout (a safety-critical code), limit switch open (indicating overheating), and gas valve faults. The exact code format varies by brand -- Carrier uses LED flash sequences, Trane uses alphanumeric codes, and Goodman/Lennox use LED blink patterns. Select your brand in our error code lookup for specific code meanings.
How do I read HVAC error codes?
Most furnaces display error codes through a blinking LED light visible through a small viewport on the front panel. Count the number of blinks or flashes in a sequence -- for example, 3 blinks may indicate an ignition failure. Some newer systems display alphanumeric codes on a digital display. Check the diagnostic label inside your furnace door for a code chart, or use our free Error Code Lookup to find your brand's specific codes and troubleshooting steps.
Why is my oven displaying an error code?
Oven error codes typically indicate a temperature sensor fault, a door latch issue, a control board communication error, or an overheating condition. Common codes like F1 (on GE and Frigidaire) often mean a temperature sensor or control board problem. The first step is to try a power reset: unplug the oven or turn off the breaker for 60 seconds. If the code returns, look it up in our appliance error code guides for specific DIY troubleshooting steps.
How much does it cost to diagnose an HVAC error code?
A professional HVAC diagnostic service call typically costs $75-$150 in Central Texas. This covers the technician's visit and diagnosis. The repair cost is additional and varies widely depending on the issue -- from $150 for a simple sensor replacement to $1,500+ for a compressor or heat exchanger. Our error code guides include estimated repair cost ranges for each code so you know what to expect before calling.
Can I fix HVAC error codes myself?
Some error codes have safe DIY fixes. For example, a dirty air filter triggering a limit switch code can be fixed by replacing the filter. A tripped pressure switch sometimes resolves by checking the condensate drain for clogs. However, codes involving gas valves, flame rollout, heat exchanger faults, or electrical components should always be handled by a licensed HVAC technician. Our error code guides clearly indicate which issues are safe for DIY and which require professional repair.

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Need Emergency HVAC Service?

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