3.28 " J7 " Outdoor Unit; Pipe Thermistor (R6T) - Daikin VRV II RXYQ5MATL Service Manual

Troubleshooting by Indication on the Remote Controller

3.28 " J7 " Outdoor Unit:

Pipe Thermistor (R6T)

J7
Remote
Controller
Display
Applicable RXYQ5MA~48MA
Models
Method of Malfunction is detected according to the temperature detected by receiver outlet liquid pipe
thermistor.
Malfunction
Detection
Malfunction When the receiver outlet liquid pipe thermistor is short circuited or open.
Decision
Conditions
Supposed
Causes
Troubleshooting
∗ Refer to "Thermistor Resistance / Temperature Characteristics" table on P299.
202
Malfunction of Receiver Outlet Liquid
Faulty receiver outlet liquid pipe thermistor (R6T)
Faulty outdoor 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
outdoor unit PC
board (A1P)?
YES
Is the
resistance
measured after
removing the thermistor
(R6T) from outdoor unit PC
board normal?
(3.5 kΩ to
360 kΩ)
YES
NO
NO
Si39-504
Connect the connector and
operate unit again.
Replace thermistor (R6T).
Replace outdoor unit PC board
(A1P).
(V3075)
Troubleshooting