PLC Error Codes
PLC diagnostic codes and troubleshooting guides.
Find PLC error codes, fault diagnostics, and solutions for Siemens, Allen-Bradley, Mitsubishi, Omron, and Schneider Electric controllers. Get causes, solutions, and severity ratings.
LookApp
Look up any code, color, or place.
Quick reference lookup for industrial codes, automotive diagnostics, appliance errors, and reference data. Find solutions fast when you need them most.
Industrial Automation
Industrial Automation
PLC error codes, VFD fault diagnostics, CNC machine alarms, and industrial control system troubleshooting.
VFD Error Codes
VFD and inverter fault codes explained.
Diagnose variable frequency drive errors and inverter faults. Find solutions for overcurrent, overvoltage, ground faults, and more from Siemens, ABB, Danfoss, Schneider, and Yaskawa.
CNC Alarm Codes
CNC machine alarm codes and diagnostics.
Troubleshoot CNC machine alarms and errors. Get solutions for servo faults, spindle errors, tool changer problems, and more from FANUC, Haas, Siemens CNC, and Mazak systems.
Automotive
Automotive
Car diagnostic codes and troubleshooting guides for DIY mechanics.
OBD2 Codes
Car diagnostic codes explained for DIY mechanics.
Understand what your check engine light means. Get causes, symptoms, severity, and first steps to diagnose common OBD2 error codes.
Consumer Electronics
Consumer Electronics
Appliance error codes and phone diagnostic codes for home devices.
Appliance Codes
Appliance error codes and troubleshooting guides.
Decode error messages from your washer, dishwasher, and other appliances. Find what the error means, likely causes, and safe troubleshooting steps.
Phone Codes
Android and Samsung diagnostic codes explained.
Secret dialer codes and diagnostic menus for testing your device hardware, checking IMEI, and accessing service menus.
Reference Data
Reference Data
Color codes, ZIP code demographics, and lookup reference data.
Paint Colors
Paint color lookup with HEX, RGB, and brand references.
Find paint color specifications including HEX codes, RGB values, LRV (Light Reflective Value), and CSS snippets. See which brands offer each color with their specific catalog codes.
ZIP Codes
ZIP code demographics, income, and area data.
Look up detailed information about any U.S. ZIP code including demographics, median income, population, and tax data.