Código xH0: Communication error between main control chip and inverter driver chip
Descripción del problema y advertencia de seguridad
El Trane TVR Pro VRF (220V) ha desencadenado una alarma crítica Communication error between main control chip and inverter driver chip. Se requiere la atención inmediata de un operador calificado o técnico de mantenimiento para evitar daños secundarios al equipo o piezas estropeadas durante el ciclo de fabricación. Asegúrese siempre de seguir los procedimientos de seguridad estándar y LOTO antes de acceder a los armarios eléctricos.
Pasos oficiales de solución de problemas
Manual restart required: No 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. 1H0 / 2H0). Description: 1H0 indicates a communication error between the main control chip and the compressor A inverter driver chip. 2H0 indicates a communication error between the main control chip and the compressor B inverter driver chip. All units stop running. Error code is only displayed on the unit with the error. Trigger condition: Main control chip and inverter driver chip cannot communication for 2 minutes. Recover condition: Communication go back to normal. Reset method: Resume automatically. Possible causes: - Incorrect compressor inverter module address setting. - Loosened communication wiring from the main PCB to - the inverter module. - Main PCB damaged. - Compressor inverter module damaged.
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.
Acerca de las alarmas de Trane TVR Pro VRF (220V)
Los controladores industriales construidos por Trane están diseñados con amplios sistemas de diagnóstico para proteger los circuitos internos y los enlaces mecánicos. Cuando un TVR Pro VRF (220V) arroja un código de error como xH0, generalmente indica un desajuste entre los valores ordenados y la retroalimentación real del sensor.
Lista completa de alarmas: 38 Trane TVR Pro VRF (220V) códigos.
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