Troubleshooting by Indication on the Remote Controller
2.23 "J5" Outside Unit:
Suction Pipe
J5
Remote
Controller
Display
Applicable
RWEYQ60, 72, 84MTJU
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
∗
188
Malfunction of Thermistor (R2T) for
Defect of thermistor (R2T) for outside unit suction 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
X37A, of outside unit
PC board.
(A1P)
YES
Resistance
is normal when
measured after
disconnecting the thermistor
(R2T) from the outside
unit PC board.
(3.5kΩ ~
360kΩ)
YES
2: Refer to thermistor resistance / temperature characteristics table on P278.
NO
NO
SiUS30-604
Connect the connector and turn on
again.
Replace the thermistor R2T.
Replace outside unit PC board
(A1P).
(V3073)
Troubleshooting