J3" Outdoor Unit: Malfunction Of Discharge Pipe Thermistor (R2T) - Daikin ERSQ 011AAV1 Service Manual

Troubleshooting by Indication on the Remote Controller
3.25 "J3 " Outdoor Unit: Malfunction of Discharge Pipe
Thermistor (R2T)
J3
Remote Control
Display
Applicable
ER*Q 011~016*
Models
Method of
Malfunction is detected from the temperature detected by discharge pipe temperature
thermistor.
Malfunction
Detection
Malfunction
When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected.
Decision
Conditions
Supposed
Causes
Troubleshooting
∗ Refer to thermistor resistance / temperature characteristics table on P230.
164
Defect of thermistor (R2T) for outdoor unit discharge pipe
Defect of outdoor unit PC board (A1P)
Be sure to turn off power switch before connect or disconnect connector, or
Caution
parts damage may be occurred.
Connector
is connected to
X12A of outdoor unit PC
board (A1P).
YES
Resistance is
normal when
measured after
disconnecting the thermistor
R2T from the outdoor unit PC
board.
(5.0kΩ~640kΩ)
YES
NO
NO
ESIE09-08
Connect the thermistor and turn on
again.
Replace the thermistor (R2T).
Replace outdoor unit PC board
(A1P).
Troubleshooting
(V3072)