J6" Outdoor Unit: Malfunction Of Thermistor (R6T) For Outdoor Unit Heat Exchanger - Daikin VRVIII-S Service Manual

Troubleshooting by Indication on the remote control
3.25 "J6" Outdoor Unit: Malfunction of Thermistor (R6T) for
Outdoor Unit Heat Exchanger
J6
remote control
Display
Applicable
RXYSQ4~6P
Models
Method of
Malfunction is detected from the temperature detected by the heat exchanger thermistor.
Malfunction
Detection
Malfunction
When a short circuit or an open circuit in the heat exchange thermistor is detected.
Decision
Conditions
Supposed ! Defect of thermistor (R6T) for outdoor unit heat exchanger
! Defect of outdoor unit PC board (A1P)
Causes
Troubleshooting
∗ Refer to thermistor resistance / temperature characteristics table on P225.
152
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Connector is
NO
connected to X13A of
outdoor unit PC board
(A1P).
YES
Resistance is
normal when
measured after
NO
disconnecting the thermistor
(R4T) from the outdoor unit PC
board.
(3.5kΩ~360kΩ)
YES
SiENBE34-703
Connect the thermistor and turn on
again.
Replace the thermistor (R6T).
Replace outdoor unit PC board
(A1P).
(V3074)
Troubleshooting