Abnormal Discharge Pipe Temperature - Daikin VRV II-Q RQYQ8-48PY1B Service Manual

Troubleshooting by Remote Controller

2.10 Abnormal Discharge Pipe Temperature

F3
Remote
Controller
Display
Applicable RQYQ-PY1B
Models
Method of Error The error is detected according to the temperature detected by the discharge pipe temperature
sensor.
Detection
Error Decision When the discharge pipe temperature rises to an abnormally high level (135 °C or more)
When the discharge pipe temperature rises suddenly (120 °C or more continues for 10 minutes)
Conditions
Supposed
Causes
118
Defective discharge pipe temperature
Defective discharge pipe thermistor
Defective outdoor unit PCB (A1P)
SiBE341027
Service Diagnosis