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Fault Code 0229



Fault Code 0229

Refrigerant pressure

Diagnostic conditions
Fault type 'lower limit value not reached':
- Battery voltage OK (11.4 to 14.5 V)
- Internal function test completed on air-conditioning system regulator control unit
- Engine on
- Ambient temperature greater than 12 °C

Fault type 'upper limit value exceeded':
- Battery voltage OK (11.4 to 14.5 V)
- Internal function test completed on air-conditioning system regulator control unit
- Engine on

Possible fault causes
Fault type 'lower limit value not reached':
- Refrigerant pressure less than 1.4 bar (mm. 2 sec.)

Fault type 'upper limit value exceeded':
- Refrigerant pressure greater than 32 bar (5 times within a single driving cycle)

Diagnosis/troubleshooting