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SiAF332111E
5.26 Activation of Low Pressure Sensor
Applicable
All outdoor unit models
Models
E4
Error Code
Method of Error
Make judgment of pressure detected by the low pressure sensor with the outdoor unit main
Detection
PCB.
Error Decision
When low pressure caused a drop while the compressor is in operation:
Conditions
Operating pressure: 0.07 MPa
Supposed
Abnormally drop in low pressure
Causes
Defective low pressure sensor
Defective outdoor unit main PCB
The stop valve is not opened
Part 6 Service Diagnosis
Troubleshooting by Error Code
235
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Troubleshooting
