Troubleshooting by Indication on the Remote Controller
" Malfunction of Thermistor (R7T) for Outdoor Unit
RXYMQ36 · 48PVJU
Malfunction is detected from the temperature detected by the liquid pipe thermistor.
When a short circuit or an open circuit in the heat exchanger thermistor is detected
Faulty liquid pipe thermistor 1 (R7T)
Faulty outdoor unit PCB
Defect of thermistor connection
Caution 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)
for liquid pipe thermistor
connected to X13A on outdoor
removing the thermistor
(R7T) from outdoor unit PCB
∗ Refer to "Thermistor Resistance / Temperature Characteristics" table on P.241.
Connect the connector and
operate unit again.
Replace the thermistor (R7T).
Replace the outdoor unit PCB