J9" Malfunction Of Receiver Gas Pipe Thermistor (R5T) - Daikin R410As Service Manual

Troubleshooting by Indication on the Remote Controller
2.28 " J9 "
Malfunction of Receiver Gas Pipe Thermistor (R5T)
J9
Remote
Controller
Display
Applicable RXYQ5~48M
Models
Method of Malfunction is detected according to the temperature detected by receiver gas pipe thermistor.
Malfunction
Detection
Malfunction When the receiver gas pipe thermistor is short circuited or open.
Decision
Conditions
!
Supposed
!
Causes
Troubleshooting
∗
2: Refer to thermistor resistance / temperature characteristics table on P280.
188
Faulty receiver gas pipe thermistor (R5T)
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
gas pipe thermistor
connected to X37A on
outdoor unit PC
board (A1P)?
YES
Is the
resistance
measured after
removing the thermistor
(R5T) from outdoor unit PC
board normal?
(3.5 kΩ to
360 kΩ)
YES
NO
NO
Si39-302
Connect thermistor and operate
unit again.
Replace thermistor (R5T).
Replace outdoor unit PC board
(A1P).
(V3075)
Troubleshooting