" PCB Defect
RXYMQ36 · 48PVJU
Abnormality is detected under the communication conditions in the hardware section between the
indoor unit and outdoor unit.
When the communication conditions in the hardware section between the indoor unit and the
outdoor unit are not normal
Defect of outdoor unit PCB (A1P)
Defective connection of indoor-outdoor transmission wiring
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be
Turn off the power once and turn on
wiring of outdoor main PCB
Return to normal?
Troubleshooting by Indication on the Remote Controller
External factor other than
malfunction (for example, noise
Connect the indoor-outdoor
transmission wiring correctly.
Replace the outdoor main PCB