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

Troubleshooting by Error Code

3.41 High Pressure Sensor Abnormality

JA
Error Code
Applicable
All outdoor unit models
Models
Method of Error
Detect according to temperature detected with the high pressure sensor.
Detection
Error Decision The high pressure sensor is short circuit or open circuit.
Conditions (Pressure range: 0-4.3 MPa (0-624 psi))
Supposed
Causes
237
Defective high pressure sensor
Connection of low pressure sensor in mistake for high pressure sensor
Defective outdoor unit main PCB
Defective connection of high pressure sensor
SiUS341615E
Service Diagnosis