HVAC, Appliance, CNC, and VFD Error Code Repair Guides

Browse repair guides for HVAC, appliances, refrigeration, CNC alarms, VFD faults, generators, boilers, water heaters, and commercial equipment.

• York YXV Heat Pump Error Codes - Fault Code Reference

  Updated: 16 Sep, 2026

  York YXV heat-pump fault guide for iQ Drive overcurrent, DC bus faults, pressure switches, sensors, defrost, and fan motor errors.

• Electrolux Washer E10, E11, E20, and E21 Codes

  Updated: 16 Sep, 2026

  Electrolux washer guide for E10, E11, E20, E21, E40, EF0, fill-valve, pressure-switch, drain-pump, filter, and door-lock faults.

• Frigidaire Dryer E64, E68, and E4A Codes

  Updated: 16 Sep, 2026

  Frigidaire dryer guide for E64, E68, E66, E4A, E5B, heating element, stuck buttons, thermistor, airflow, and L2 power faults.

• Generac 1600 Underspeed Error Code

  Updated: 16 Sep, 2026

  Generac 1600 guide for underspeed shutdowns, fuel supply, stepper motor, air filter, spark plug, magnetic pickup, load, and governor checks.