Fault code meanings, causes, and fixes

Search a fault code by brand, model, or code. Each page provides a plain-English meaning, common causes, what to check first, safety guidance, and when to call service.

Generators

Generac

Models covered: 20

Generators

Briggs & Stratton

Models covered: 20

Generators

Champion

Models covered: 20

Generators

Westinghouse

Models covered: 20

Generators

Kohler

Models covered: 20

Generators

DuroMax

Models covered: 20

Generators

Honda

Models covered: 20

Generators

Yamaha

Models covered: 20

Generators

Firman

Models covered: 20

Generators

Wacker Neuson

Models covered: 20

Hvac

Daikin

Models covered: 20

Hvac

Mitsubishi Electric

Models covered: 20

Hvac

LG HVAC

Models covered: 20

Hvac

Fujitsu

Models covered: 20

Hvac

Carrier

Models covered: 20

Hvac

Trane

Models covered: 20

Hvac

Goodman

Models covered: 20

Hvac

Rheem

Models covered: 20

Hvac

Lennox

Models covered: 20

Hvac

Toshiba

Models covered: 20

Appliances

Whirlpool

Models covered: 20

Appliances

GE Appliances

Models covered: 20

Appliances

Samsung

Models covered: 20

Appliances

LG Appliances

Models covered: 20

Appliances

Bosch

Models covered: 20

Appliances

Maytag

Models covered: 20

Appliances

Frigidaire

Models covered: 20

Appliances

Kenmore

Models covered: 20

Appliances

Electrolux

Models covered: 20

Appliances

Amana

Models covered: 20

How to use this site

Find your brand and model, then select the displayed fault code.
Read the “What to check first” section to avoid unnecessary parts swapping.
Use the safety guidance to decide whether to stop operation.

General reference only. Not affiliated with manufacturers. Meanings describe common patterns and may vary by exact model/version—always confirm with your model’s service manual.