J5" Outdoor Unit: Malfunction Of Thermistor (R2T) For; Suction Pipe - Daikin VRV II RXYQ8MY1K Service Manual

R-410a heat pump 50/60hz for high outdoor temperature use
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Troubleshooting by Indication on the Remote Controller
3.26 " J5 " Outdoor Unit:

Suction Pipe

J5
Remote
Controller
Display
Applicable
RXYQ8~30MY1K (E), YLK (E)
Models
Method of
Malfunction is detected from the temperature detected by the suction pipe temperature
thermistor.
Malfunction
Detection
Malfunction
When a short circuit or an open circuit in the suction pipe temperature thermistor is detected.
Decision
Conditions
Supposed
Causes
Troubleshooting
∗ Refer to "Thermistor Resistance / Temperature Characteristics" table on P277.
182
Malfunction of Thermistor (R2T) for
Defect of thermistor (R2T) 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
is connected to
X37A, of outdoor unit
PC board.
(A1P)
YES
Resistance
is normal when
measured after
disconnecting the thermistor
(R2T) from the outdoor
unit PC board.
(3.5kΩ ~
360kΩ)
YES
NO
NO
Si39-502A
Connect the connector and turn on
again.
Replace the thermistor R2T.
Replace outdoor unit PC board
(A1P).
(V3073)
Troubleshooting

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