The DF1070 code is frequently a "consequential" error, meaning it may be triggered by other system failures rather than a dead compressor.
If the gas and sensor are fine, the compressor itself or its electrical supply might be at fault. renault df1070
The computer monitors the power (in kW) consumed by the compressor. If it detects a spike suggesting the compressor is seizing, it triggers DF1070 and shuts it down. The DF1070 code is frequently a "consequential" error,
Frayed or corroded wiring looms and faulty compressor connectors are known to cause intermittent signals that trigger the code. renault df1070
Corroded or broken wires at the compressor plug or the pressure switch are frequent culprits. Renault even issued technical bulletins (OTS) for loom repairs on certain models.