Your complete reference for error codes, diagnostic codes, and technical specifications. Get instant answers with detailed troubleshooting guides, compatibility information, and cross-reference data.
Industrial
Error codes, alarm codes, and fault diagnostics for industrial equipment and automation systems.
PLC Error Codes
Find PLC error codes, fault diagnostics, and solutions for Siemens, Allen-Bradley, Mitsubishi, Omron, and Schneider Electric controllers. Get causes, solutions, and severity ratings.
VFD Error Codes
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
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.
Robot Error Codes
Troubleshoot industrial robot errors and alarms. Get solutions for servo faults, safety circuit issues, motion control problems, and more from FANUC, ABB, KUKA, Yaskawa, and Universal Robots.
Heavy Equipment Codes
Diagnose error codes for construction, mining, and agricultural equipment. Find solutions for engine faults, hydraulic issues, transmission problems, and more from Caterpillar, John Deere, Komatsu, and Volvo.
SCADA System Alarms
Troubleshoot SCADA system alarms and errors. Get solutions for communication faults, database errors, tag issues, and more from Wonderware, Ignition, FactoryTalk, WinCC, and iFIX systems.
HMI Error Codes
Diagnose HMI (Human Machine Interface) errors and faults. Find solutions for display issues, communication problems, memory errors, and more from Allen-Bradley, Siemens, Pro-face, and Red Lion.
Lubricant Codes
Look up lubricant codes, viscosity grades, and specifications for motor oils, hydraulic oils, gear oils, and industrial lubricants. Includes SAE, ISO, and AGMA grades with equivalent alternatives.
Network Equipment Codes
Troubleshoot network equipment errors and faults. Find solutions for switch errors, router issues, and communication problems from Cisco, HP/Aruba, and Juniper systems.
Welding Equipment Codes
Diagnose welding equipment errors and faults. Find solutions for overcurrent, overheating, gas flow issues, and more from Miller, Lincoln Electric, ESAB, and Hypertherm.
Elevator Error Codes
Troubleshoot elevator and escalator errors. Find solutions for door faults, drive errors, safety issues, and more from Otis, Schindler, ThyssenKrupp, and Kone systems.
Compressor Error Codes
Diagnose compressor errors and alarms. Find solutions for temperature issues, pressure faults, motor overload, and more from Atlas Copco, Ingersoll Rand, Sullair, and Kaeser.
Appliances
Error codes and troubleshooting guides for HVAC systems and home appliances.
Appliance Codes
Decode error messages from your washer, dishwasher, and other appliances. Find what the error means, likely causes, and safe troubleshooting steps.
HVAC Error Codes
Decode error messages from your HVAC system. Find what the error means, likely causes, and safe troubleshooting steps for Carrier, Trane, Lennox, Rheem, Goodman, York, and Daikin systems.
Automotive
Car diagnostic codes and troubleshooting guides for vehicle repair and maintenance.
OBD2 Codes
Understand what your check engine light means. Get causes, symptoms, severity, and first steps to diagnose common OBD2 error codes.
Manufacturer DTCs
Find manufacturer-specific diagnostic trouble codes (DTCs) for BMW, Mercedes-Benz, Toyota, Ford, Chevrolet, and Honda vehicles. Get detailed explanations, causes, and solutions.
Motorcycle Diagnostic Codes
Understand motorcycle diagnostic codes and error messages. Get causes, symptoms, and solutions for Harley-Davidson, Yamaha, Honda, and Kawasaki motorcycles.
Locations & Reference
Postal codes, phone codes, color codes, and other reference data for everyday use.
Paint Colors
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.
Phone Diagnostic Codes
Secret dialer codes and diagnostic menus for testing device hardware, checking IMEI, accessing service menus, and troubleshooting phones. Includes Android, iPhone, Samsung, LG, Motorola, and Xiaomi codes.
Phone Country Codes
Look up international dialing codes (country codes) for calling any country worldwide. Includes all major countries and territories with dialing instructions and examples.
Postal Codes
Look up postal codes from around the world including city, country, region, and area information for major cities worldwide.
HTTP Status Codes
Understand HTTP status codes and what they mean. Get explanations for success codes, redirection codes, client errors, and server errors with troubleshooting solutions.
ISO Country Codes
Look up ISO country codes including alpha-2, alpha-3, and numeric codes for countries worldwide. Find official country names and regions.
Currency Codes
Look up currency codes, symbols, and information for currencies worldwide. Find which countries use each currency.
Timezone Codes
Look up timezone codes, abbreviations, UTC offsets, and locations for timezones worldwide. Find timezone information for any location.
API Error Codes
Understand API error codes and software errors. Get explanations and solutions for Stripe, PayPal, AWS, GitHub, Google Cloud, and Twilio API errors.
Medical Device Codes
⚠️ Reference only - Always consult qualified medical personnel. Troubleshoot medical device errors from ventilators, dialysis machines, infusion pumps, patient monitors, and ultrasound systems. All codes sourced from publicly available manufacturer documentation.
About WhatsDaCode
WhatsDaCode is your go-to resource for any code you need - from industrial error codes and HVAC diagnostics to color hex codes and ZIP code data. Whether you're troubleshooting equipment, looking up reference data, or finding diagnostic codes, we've got you covered with comprehensive databases, detailed explanations, and troubleshooting guides.
Categories: Industrial (PLC, VFD, CNC, Network, Welding, Compressors, Elevators) • Appliances (HVAC, Home Appliances) • Automotive (OBD2, Motorcycles) • Locations & Reference (ZIP Codes, Phone Codes, Colors, API Codes, Medical Device Codes)