4-5. E: 18. Wireless LAN adapter non-energized
Indicator
Indoor unit
Operation indicator
1 time flash
Timer indicator
8 time flash
Economy indicator
Continuous flash
Error code
E: 18
Wireless LAN
adapter
LED1 (green)
Off
LED2 (orange)
Off
Detective actuator
Indoor unit controller PCB
When the voltage (DC 12 V) does not output from the
controller PCB.
Wireless LAN adapter PCB
Forecast of cause
Indoor unit controller PCB failure
Wireless LAN adapter PCB failure
Wiring connection failure
Check point 1. Check the connection.
•
Check any loose or removed connection of between the wireless LAN adapter PCB and con-
troller PCB.
-> If there is abnormal condition, correct it.
•
Check the connection condition on the controller PCB.
-> If there is loose connector, open cable or mis-wiring, correct it.
↓
Check point 2. Check the wireless LAN adapter PCB and the controller PCB
Check voltage at CN12 (terminal 1—2) of main PCB.
(Power supply to remote controller)
•
If it is DC 0 V, controller PCB is failure.
-> Replace controller PCB.
•
If it is DC 12 V, wireless LAN adapter PCB is failure.
-> Replace the wireless LAN adapter and cancel the registration of air condi-
tioner on the mobile app.
After replacing the adapter, perform the pairing on the mobile app.
For the method of the mobile app, refer to
↓
End
4-5. E: 18. Wireless LAN adapter non-energized
- (03-77) -
4. Troubleshooting with error code (For wireless LAN adapter)
TROUBLESHOOTING
TROUBLESHOOTING
Содержание ABHG18KRTA
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2022 08 08 SR_CH01_MU004EG_06 ...
Страница 59: ...2 TECHNICAL DATA AND PARTS LIST 2022 08 08 SR_CH02_MU004EG_11 ...
Страница 62: ......
Страница 212: ...9 17 Model AOHG36KBTA5 02 150 9 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...
Страница 213: ...3 TROUBLESHOOTING 2022 08 08 SR_CH03_MU004EG_07 ...
Страница 216: ......
Страница 316: ...6 2 Outdoor unit 03 100 6 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Страница 317: ...4 CONTROL AND FUNCTIONS 2022 04 13 SR_CH04_MU004EG_08 ...
Страница 320: ......
Страница 403: ...5 FILED WORKING 2022 08 08 SR_CH05_MU004EG_08 ...