F3" Outdoor Unit: Abnormal Discharge Pipe Temperature - Daikin ERSQ 011AAV1 Service Manual

ESIE09-08
3.22 "F3 " Outdoor Unit: Abnormal Discharge Pipe
Temperature
F3
Remote Control
Display
Applicable
ER*Q 011~016*
Models
Method of
Abnormality is detected according to the temperature detected by the discharge pipe
temperature sensor.
Malfunction
Detection
Malfunction
When the discharge pipe temperature rises to an abnormally high level
Decision When the discharge pipe temperature rises suddenly
Conditions
Supposed
Causes
Troubleshooting
∗ Refer to "Thermistor Resistance / Temperature Characteristics" table on P229.
Troubleshooting
Faulty discharge pipe temperature sensor
Faulty connection of discharge pipe temperature sensor
Faulty outdoor unit PC board
Be sure to turn off power switch before connect or disconnect connector, or
Caution
parts damage may be occurred.
Discharge
pipe temperature is
120°C or higher when the unit
stop by malfunction.
NO
Pull out the discharge pipe
thermistor from the outdoor PC
board, and then make
measurement of resistance using
a multiple meter.
Are the
characteristics of the
discharge pipe thermistor
normal?
(3.5~400KΩ)*
YES
Troubleshooting by Indication on the Remote Controller
YES
NO
Refrigerant shortage, compression
defect, etc. Defect of the refrigerant
system.
Replace the discharge pipe
thermistor.
Replace outdoor unit PC board
(A1P).
(V3068)
161