Daikin RXYQ96PYDN, Руководство по обслуживанию

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Troubleshooting by Indication on the Remote Controller SiUS34-801A_b
380 Troubleshooting
3.26
J3
Outdoor Unit: Malfunction of Discharge Pipe
Thermistor (R31, 32T)
Remote
Controller
Display
J3
Applicable
Models
RXYQ72P~240PYDN, PTJU
REYQ72P~240PYDN, PTJU
Method of
Malfunction
Detection
Temperature detected by discharge pipe temperature thermistor.
Malfunction
Decision
Conditions When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected.
Supposed
Causes
Defect of thermistor (R31T, R32T) for outdoor unit discharge pipe
Defect of outdoor unit PC board (A1P)
Defect of thermistor connection
Troubleshooting
The alarm indicator is displayed when the fan is being used also.
∗
Refer to the Thermistor Resistance / Temperature Characteristics table on Page 523.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Resistance
is normal when
measured after
disconnecting the thermistor
R31, 32T or R33T from the
outdoor unit PC board.
(2.5k
Ω
to
1.3k
Ω
)
Replace outdoor unit PC board
(A1P).
Connect the connector and turn on
again.
NO
NO
Replace the thermistor (R31, 32T
or R33T)
YES
YES
Connector
is connected to X29A
of outdoor unit
PC board
(A1P).
Confirm which discharge
thermistor is abnormal using
outdoor unit "monitor mode".
(Refer to P334~335)