Download Outdoor Unit

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