Malfunction Of Liquid Pipe Thermistor (R6T); J7" Malfunction Of Liquid Pipe Thermistor (R6T) - Daikin VRV - WII Service Manual

SiUS30-604
2.24 "J7"

Malfunction of Liquid Pipe Thermistor (R6T)

J7
Remote
Controller
Display
Applicable RWEYQ60, 72, 84MTJU
Models
Method of Malfunction is detected according to the temperature detected by receiver outlet liquid pipe
thermistor.
Malfunction
Detection
Malfunction When the liquid pipe thermistor is short circuited or open.
Decision
Conditions
Supposed
Causes
Troubleshooting
∗
Troubleshooting
Faulty liquid pipe thermistor (R6T)
Faulty outside unit PC board
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Is
the connector
for receiver
outlet liquid pipe thermistor
connected to X37A on
outside unit PC
board (A1P)?
YES
Is the
resistance
measured after
removing the thermistor
(R6T) from outside unit PC
board normal?
(3.5 kΩ to
360 kΩ)
YES
2: Refer to thermistor resistance / temperature characteristics table on P278.
Troubleshooting by Indication on the Remote Controller
NO
NO
Connect the connector and operate
unit again.
Replace thermistor (R6T).
Replace outside unit PC board
(A1P).
(V3075)
189