J6" Outdoor Unit; Malfunction Of Thermistor (R6T); J6" Outdoor Unit: Malfunction Of Thermistor (R6T) - Daikin RXYSQ4-5-6PA7V1B Service Manual

SiBE34-802
J6
3.29 " " Outdoor Unit:
J6
Remote
Controller
Display
Applicable RXYSQ4~6PA
Models
Method of Malfunction is detected from the temperature detected by the heat exchanger thermistor.
Malfunction
Detection
Malfunction When a short circuit or an open circuit in the heat exchange thermistor is detected.
Decision
Conditions
Supposed
Causes
Troubleshooting
∗
Troubleshooting

Malfunction of Thermistor (R6T)

Defect of thermistor (R6T) for outdoor unit heat exchanger
Defect of outdoor unit PC board (A1P)
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Connector
is connected to X13A of
outdoor unit PC board
(A1P).
YES
Resistance
is normal when
measured after
disconnecting the thermistor
(R4T) from the outdoor
unit PC board.
(3.5kΩ~
360kΩ)
YES
Refer to thermistor resistance / temperature characteristics table on P251.
Troubleshooting by Indication on the Remote Controller
NO
NO
Connect the thermistor and turn
on again.
Replace the thermistor (R6T).
Replace outdoor unit PC board
(A1P).
(V3074)
177