Low Pressure Sensor Abnormality - Daikin RXYQ-TA Series Service Manual

Troubleshooting by Error Code

3.42 Low Pressure Sensor Abnormality

JC
Error Code
Applicable
All outdoor unit models
Models
Method of Error
Detect according to temperature detected with the low pressure sensor.
Detection
Error Decision The low pressure sensor is short circuit or open circuit.
Conditions (Pressure range: 0-1.7 MPa (0-247 psi))
Supposed
Causes
239
Defective low pressure sensor
Connection of high pressure sensor in mistake for low pressure sensor
Defective outdoor unit PCB
Defective connection of low pressure sensor
SiUS341615E
Service Diagnosis