代碼 E7: Compressor top or discharge pipe temperature sensor (T7C1/2) error
問題描述與安全警告
Trane TVR Pro VRF (220V) 觸發了嚴重的 Compressor top or discharge pipe temperature sensor (T7C1/2) error 警報。需要由合格的操作員或維修技師立即處理，以防止在製造週期中對設備造成二次損壞或導致零件報廢。在接觸電氣控制箱之前，請務必確保遵循標準安全和停機掛牌 (LOTO) 程序。
官方故障排除步驟
Manual restart required: Yes Display: Displayed on the unit with the error Description: A compressor top temperature sensor or discharge pipe temperature sensor (T7C1/2) error. All units stop running. Error code is only displayed on the unit with the error. Trigger condition: Discharge pressure ≥ 3MPa and discharge temperature < 15 o C for 2 minutes. Recover condition: Discharge pressure and temperature go back to normal. Reset method: Manually restart. Possible causes: - Temperature sensor not connected properly or has malfunctioned. - Damaged main PCB.
Source: Trane 220V TVR Pro VRF Service Manual — Part 6 Diagnosis and Troubleshooting
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
關於 Trane TVR Pro VRF (220V) 警報
由 Trane 製造的工業控制器具有廣泛的診斷系統，用於保護內部電路和機械連桿。當 TVR Pro VRF (220V) 出現類似 E7 的錯誤代碼時，通常表示指令值與實際感測器回饋之間存在不匹配。
完整警報清單: 38 Trane TVR Pro VRF (220V) 代碼s.
Have a better solution?
Help the industrial community by sharing your repair experience for code E7.
Need a searchable reference for more Trane TVR Pro VRF (220V) manuals?
We structure equipment manuals into searchable code, title, cause, solution, safety note, and source-reference data. Send a PDF and example searched codes when you need public pages, private search, or structured exports.
Space reserved for Google AdSense / Industrial Affiliate Links
Monetization target for 2026