Error Code is a powerful and easy-to-use reference app built for AC technicians, HVAC professionals, refrigeration mechanics, and technical students.

It helps you diagnose issues faster, reduce guesswork during service calls, and work confidently even without an internet connection.

Instead of carrying manuals or searching online, this app provides essential HVAC data, error codes, and troubleshooting guides that work fully offline.

1. Error Codes Reference

Quickly identify and understand fault codes used in:
Split AC
Window AC
Refrigerators
Heat Pumps
Washing Machines
More coming soon...

All error code data is stored locally, allowing fast diagnosis even in areas with poor or no network coverage.

2. Refrigerant Pressure Charts (Offline)

Access accurate refrigerant pressure information required during gas charging and diagnostics:
Suction pressure
Discharge pressure
Standing pressure

Supports commonly used refrigerants such as R22, R32, R134a, R410A and more.
All pressure charts are available offline for reliable field use.

3. Troubleshooting Guide (Offline)

Step-by-step solutions for common HVAC and refrigeration problems:
AC not cooling properly
Refrigerator not cooling
Weak airflow
Water leakage
Unusual noise
Ice formation issues
Each problem includes symptoms, possible causes, and practical solutions that can be referred to during service calls.

4. Maintenance Schedule

Recommended maintenance tasks to prevent breakdowns and improve performance:
Filter cleaning
Indoor and outdoor unit servicing
Gas pressure checks
Preventive maintenance tips
Helps extend equipment life and maintain cooling efficiency.

5. System Specifications

Quick technical reference for HVAC systems, including:
AC capacity and tonnage
Power consumption details
Room size recommendations
Noise levels
Gas types
Operating temperature ranges
Useful during installation, inspection, and customer consultation.

6. Parts Catalog

Browse commonly used AC and refrigerator spare parts:
Part names and identification
Usage category (AC or Refrigerator)
Acts as a handy offline reference while diagnosing and repairing systems.

Works Fully Offline!

No internet required after installation
Ideal for field technicians
Reliable in low or no network areas
Fast access to critical service data

Who Is This App For?

AC and HVAC Technicians
Refrigeration Mechanics
Service Engineers
Technical Students
Maintenance Professionals
Service Centers


Why Choose Error Code?

Designed for real service work
Simple and technician-friendly interface
Accurate and reliable offline reference

Disclaimer

This app is a technical reference tool intended to assist professionals. Always follow manufacturer guidelines and safety procedures during service and repair.