Field checklists

Error code checklists

Use these printable checklists to capture the fault, run the simple checks, and price the likely parts before you book service.

HVAC HVAC error code checklist Checks, stop signs, and common parts to price. Appliance Appliance error code checklist Checks, stop signs, and common parts to price. Refrigeration Refrigeration error code checklist Checks, stop signs, and common parts to price. Water heater Water heater error code checklist Checks, stop signs, and common parts to price. Generator Generator error code checklist Checks, stop signs, and common parts to price. Industrial Industrial error code checklist Checks, stop signs, and common parts to price.