J3" Outside Unit; Malfunction Of Discharge Pipe Thermistor (R3T); J3" Outside Unit: Malfunction Of Discharge Pipe Thermistor (R3T) - Daikin VRV - WII Service Manual

Troubleshooting by Indication on the Remote Controller

2.21 "J3" Outside Unit:

Thermistor (R3T)
J3
Remote
Controller
Display
Applicable RWEYQ60, 72, 84MTJU
Models
Method of Malfunction is detected from the temperature detected by discharge pipe temperature thermistor.
Malfunction
Detection
Malfunction When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected.
Decision
Conditions
Supposed
Causes
Troubleshooting
186
Malfunction of Discharge Pipe
Defect of thermistor (R3T) for outside unit discharge pipe
Defect of outside 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 X34A
of outside unit
PC board
(A1P).
YES
Resistance
is normal when
measured after
disconnecting the thermistor
R3T from the outside
unit PC board.
(3.5kΩ~
400kΩ)
YES
NO
NO
SiUS30-604
Connect the connector and turn on
again.
Replace the thermistor (R3T)
Replace outside unit PC board
A1P.
Troubleshooting
(V3072)