千豆故障码查询 vs HVAC PT Chart Toolkit

千豆故障码查询是一款专门为工控人开发的故障代码查询APP，涵盖ABB、西门子、台达、汇川、正弦等国内外品牌的变频器故障查询，除了对各品牌的常见故障代码做了全面展示外，还有该故障代码对应的解决方案查询。 解决师傅在维修时对于故障码，和故障灯不知道打具体代表什么含义，和不知道该故障具体解决方案是什么问题的工具。师傅只需要通过电器故障码，或指示灯，就可明确电器的故障原因，和故障维修的解决方案。目标是减少师傅维修的学习成本，和提升师傅的维修能力，实现只需要使用该工具，所有故障码代表的故障原因和解决方案都可随时查询。

HVAC PT Chart Toolkit is an offline field workspace for technicians working on air conditioners, refrigeration systems, cold rooms, chillers and freezers. It is designed for paid, professional use: no account, no ads, no subscription and no server connection. Core tools: • Refrigerant PT charts for common refrigerants • Pressure to saturation temperature and temperature to pressure lookup • Superheat and subcooling calculators • Unit conversion for pressure, temperature, length, mass/charge, current/power, capacitance/resistance and vacuum/pressure • Offline fault code lookup • Symptom-based diagnostic checklists • Repair records, quotes, customer signatures and photos • PDF and image work order export • English and Simplified Chinese interface • Light, dark and system appearance modes Field workflow: 1. Search a refrigerant, fault code or tool 2. Calculate PT, superheat or subcooling 3. Follow a repair checklist 4. Add readings, photos, parts and labor 5. Capture a signature 6. Export a PDF or image repair order This app does not attempt to automatically diagnose equipment. Results are for field reference only and should be checked against the equipment nameplate, manufacturer documentation and actual site conditions. Electrical, high-pressure and flammable refrigerant work should be performed by qualified technicians following applicable safety rules. All data is stored locally on your device. Repair records are not uploaded. The app can be used in airplane mode.