Exchanger Gas Pipe Thermistor (R5T Or R13T) - Daikin VRV III REYQ8PY1 Service Manual

Troubleshooting by Indication on the Remote Controller
J9
3.32 " " Outdoor Unit:

Exchanger Gas Pipe Thermistor (R5T or R13T)

J9
Remote
Controller
Display
Applicable REYQ8P~48P
Models
Method of Malfunction is detected according to the temperature detected by subcooling heat exchanger
gas pipe thermistor.
Malfunction
Detection
Malfunction When the subcooling heat exchanger gas pipe thermistor is short circuited or open.
Decision
Conditions
Supposed
Causes
Troubleshooting
∗
278
Malfunction of Subcooling Heat
Faulty subcooling heat exchanger gas pipe thermistor (R5T or R13T)
Faulty outdoor unit PC board
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Confirm which thermistor is
abnormal using outdoor unit
"monitor mode".
(Refer to P226~227)
Is
the connector
for subcooling heat
exchanger gas pipe
thermistor connected to
X30A on outdoor
unit PC board
(A1P)?
YES
Is the
resistance
measured after
removing the thermistor
(R5T or R13T) from outdoor
unit PC board normal?
(1.8kΩ to
800kΩ)
YES
Refer to "Thermistor Resistance / Temperature Characteristics" table on P417.
NO
NO
Si37-701
Connect the connector and
operate unit again.
Replace thermistor (R5T or R13T).
Replace outdoor unit PC board
(A1P).
(V3075)
Troubleshooting