F3" Outdoor Unit: Abnormal Discharge Pipe Temperature - Daikin VRV II RXYQ5MY1B Service Manual

SiE39-404
2.20 "F3" Outdoor Unit: Abnormal Discharge Pipe
Temperature
F3
Remote
Controller
Display
Applicable
RXYQ5~48M
Models
Method of
Abnormality is detected according to the temperature detected by the discharge pipe
Malfunction temperature sensor.
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
∗2: Refer to thermistor resistance / temperature characteristics table on P311.
Troubleshooting
When the discharge pipe temperature rises to an abnormally high level
When the discharge pipe temperature rises suddenly
Faulty discharge pipe temperature sensor
Faulty connection of discharge pipe temperature sensor
Faulty outdoor unit PCB
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Discharge pipe
temperature is 115°C
or higher.
NO
Are
the characteristics
of the discharge pipe
thermistor normal?
(3.5~400KΩ)
YES
Troubleshooting by Indication on the Remote Controller
YES
NO
Out of gas, compression defect,
etc. Defect of the refrigerant
system.
Replace the discharge pipe
thermistor.
Replace outdoor unit PC board
A2P.
(V3068)
197