High Pressure Sensor Abnormality - Daikin VRV II-Q RQYQ8-48PY1B Service Manual

Troubleshooting by Remote Controller

2.18 High Pressure Sensor Abnormality

JA
Remote
Controller
Display
Applicable RQYQ-PY1B
Models
Method of Error Error is detected from the pressure detected by the high pressure sensor.
Detection
Error Decision When the high pressure sensor is short-circuit or open circuit.
(Not less than 4.22MPa, or 0.01MPa or less)
Conditions
Supposed
Causes
130
Defective high pressure sensor
Connection of low pressure sensor with wrong connection.
Defective outdoor unit PCB
Defective connection of high pressure sensor
SiBE341027
Service Diagnosis