03-08
Troubleshooting 3
Wired remote control communication error
Detective details:
Upon receiving signal more than 1 time
from wired remote or other Indoor unit,
but the same signal has not been
received more than 1 minute.
Check Point 1-2 : Check wired remote control and controller PCB
Check terminal voltage of controller PCB Connector CN300. (Power supply for remote controller)
If DC12V, Remote control failure (Controller PCB is OK) >>> Replace Remote
If DC0V, Controller PCB failure (Remote is OK) >>> Replace Controller PCB
In case of re-installation is done due to removed
connector or incorrect wiring, turn on the power again.
Check Point 1 : Check connection of terminal
After turning off the power, check & correct the followings.
Indoor unit - Check the connection of terminal between
remote control and Indoor unit, or between Indoor units, and
check if there is a disconnection or short of the cable.
OK
Forecast of cause:
1. Terminal connection abnormal
2. Wired remote control failure
3. Controller PCB failure
DC
Indicate or Display:
Indoor unit
Operation lamp: 1 times Flash,
Timer lamp : 2 times Flash
Wired remote
Error code : [E : 12]
n
: n times blinking
: Light ON: Light OFF
Mode Error
2 5
15
Outdoor unit (AOUG36/48LMAS1)
A B FEDC
Check Point 2-1 : Check indoor unit controller PCB
The number of connecting indoor unit and Remote control in one RC-group were less than 16 units.
Check Point 2 : Wire installation Wrong RC-group setting
Wrong wire connection in RC-group (Please refer to the installation manual)
Change controller PCB and check the Error after setting remote control address
Check if controller PCB damage
To Next Page
Loading...
Need help?
General
