Troubleshooting by Indication on the Remote Controller
" System is not Set yet
All indoor unit models
RXYMQ36 · 48PVJU
On check operation, the number of indoor units in terms of transmission is not corresponding to that
of indoor units that have made changes in temperature.
The malfunction is determined as soon as the abnormality aforementioned is detected through
checking the system for any erroneous connection of units on the check operation.
Improper connection of transmission wiring between indoor-outdoor units
Failure to execute check operation
Defect of indoor unit PCB
Stop valve is left in closed position.
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Are the stop
indoor - outdoor
unit transmission wiring
Wiring check operation may not be successful if carried out after the outdoor unit has been off for more than 12
hours, or if it is not carried out after running all connected indoor units in the fan mode for at least an hour.
outdoor unit transmission
Open stop valve.
Replace the indoor unit PCB.
After fixing incorrect wiring,
push and hold the RESET
button on the master outdoor
unit PCB for 5 seconds.
* The unit will not run for up to
Wiring check operation may not
have been carried out