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4. Troubleshooting with error code (For wireless LAN adapter)
4-1. E: 18. External communication error between indoor unit
and WLAN adapter
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)
Flashing fast
LED2 (orange)
On
Detective actuator
Wireless LAN adapter PCB
After receiving a signal from the wireless LAN adapter,
the same signal has not been received for 15 seconds.
NG
Controller
PCB
Controller PCB
Forecast of cause
Connection between indoor unit and wireless LAN
adapter failure
Wireless LAN adapter PCB failure
Controller PCB 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. Replace wireless LAN adapter.
If check point 1 do not improve the symptom, replace the wireless LAN adapter and cancel the reg-
istration of air conditioner on the mobile app.
After replacing the adapter, perform the pairing on the mobile app.
For the method of the mobile app, refer to
↓
Check point 3. Replace controller PCB
If check point 1 to 2 do not improve the symptom, replace the controller PCB.
↓
End
4-1. E: 18. External communication error between indoor unit and WLAN adapter
- (03-35) -
4. Troubleshooting with error code (For wireless LAN adapter)
TROUBLESHOOTING
TROUBLESHOOTING
Содержание ROG07KPCA
Страница 4: ......
Страница 5: ...1 GENERAL INFORMATION 2021 12 16 SR_CH01_AS059EJ_01 ...
Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2021 12 16 SR_CH02_AS059EJ_01 ...
Страница 31: ...3 TROUBLESHOOTING 2021 12 16 SR_CH03_AS059EJ_01 ...
Страница 34: ......
Страница 91: ...4 CONTROL AND FUNCTIONS 2021 12 16 SR_CH04_AS059EJ_01 ...
Страница 123: ...5 FILED WORKING 2021 12 16 SR_CH05_AS059EJ_01 ...