Troubleshooting by Indication on the Remote Controller
" Malfunction of Thermistor (R3T, R5T) for Suction Pipe
RXYMQ36 · 48PVJU
Malfunction is detected from the temperature detected by the thermistor for suction pipe 1, 2.
When a short circuit or an open circuit in the thermistor for suction pipe 1, 2 are detected
Defect of thermistor (R3T or R5T) for outdoor unit suction pipe
Defect of outdoor unit PCB (A1P)
Defect of thermistor connection
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Confirm which thermistor is abnormal
using outdoor unit "monitor mode".
(Refer to P.105, 106)
connected to X12A of outdoor
measured after disconnecting
the thermistor (R3T or R5T)
from the outdoor unit PCB.
∗ Refer to "Thermistor Resistance / Temperature Characteristics" table on P.241.
unit PCB. (A1P)
is normal when
Connect the connector and turn
Replace the thermistor (R3T or
Replace the outdoor unit PCB