Daikin ERQ, Руководство по обслуживанию

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Troubleshooting by Indication on the Remote Controller ESIE09-05
190 Troubleshooting
3.21 “
F3
” Outdoor Unit: Abnormal Discharge Pipe
Temperature
Remote
Controller
Display
F3
Applicable
Models
ERQ 125 ~ 200 A7V1
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 PC board
Troubleshooting
∗ Refer to “Thermistor Resistance / Temperature Characteristics” table on P233.
(V3068)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Discharge
pipe temperature is
120˚C or higher when the
unit stop by
malfunction.
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?
(3.5~400K
Ω
)
∗
Replace outdoor unit PC board
(A1P).
Replace the discharge pipe
thermistor.
NO
NO
Refrigerant shortage, compression
defect, etc. Defect of the
refrigerant system.
YES
YES
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