代碼 xH4: Inverter module protection
問題描述與安全警告
Trane TVR Pro VRF (220V) 觸發了嚴重的 Inverter module protection 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 Note: 'x' is a placeholder for the compressor system — 1 = compressor system A, 2 = compressor system B (e.g. 1H4 / 2H4). Description: 1H4 indicates compressor A inverter module protection. 2H4 indicates compressor B inverter module protection. All units stop running. Error code is only displayed on the unit with the error. Trigger condition: Compressor appears three inverter module protections. Recover condition: Inverter module goes back to normal. Reset method: Manually restart. Possible causes: - Inverter module protection. - DC bus low or high voltage protection. - MCE error. - Zero speed protection. - Phase sequence error. - Excessive compressor frequency variation. - Actual compressor frequency differs from target frequency.
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 xH4 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.
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