Suction Pipe 1, 2; J5" Outdoor Unit: Malfunction Of Thermistor (R3T, R5T) For Suction Pipe 1, 2 - Daikin RXYSQ4-5-6PA7V1B Service Manual

Vrv iii-s
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Troubleshooting by Indication on the Remote Controller
J5
3.28 "
" Outdoor Unit:
for Suction Pipe 1, 2
J5
Remote
Controller
Display
Applicable
RXYSQ4~6PA
Models
Method of
Malfunction is detected from the temperature detected by the thermistor for suction pipe 1, 2.
Malfunction
Detection
Malfunction
When a short circuit or an open circuit in the thermistor for suction pipe 1, 2 are detected.
Decision
Conditions
Supposed
Causes
Troubleshooting
176
Malfunction of Thermistor (R3T, R5T)
Defect of thermistor (R3T, R5T) for outdoor unit suction pipe
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
of the thermistor for
suction pipe1, 2 is
connected to X12A of
outdoor unit PC board
(A1P).
YES
Resistance
is normal when
measured after
disconnecting the thermistor
(R3T, R5T) from the
outdoor unit PC
board. (3.5kΩ ~
360kΩ)
YES
Refer to thermistor resistance / temperature characteristics table on P251.
NO
NO
SiBE34-802
Connect the thermistor and turn
on again.
Replace the thermistor (R3T, R5T).
Replace outdoor unit PC board
(A1P).
(V3073)
Troubleshooting

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