Trouble shooting 4
INDOOR UNIT Error Method:
External communication error
Detective Actuators:
Detective details:
Forecast of Cause :
OKOK
External communication error
Check any loose or removed connection of between the Main PCB to the Wi-fi adapter
>>If there is an abnormal condition, correct it by refer to installation manual or
the technical manual.
Check the condition condtion on the Wi-fi adapter and the Main PCB
(If there is loose connector, open cable or miss-wiring)
the same a signal has not been received for 15sec
After receiving a signal from the Wi-fi adapter,
1. Connection failure 2.Wi-fi adapter failure 3.Main PCB failure
Check Point 1 : Check the connection
Check Point 2: Replace Wi-fi adapter
If Check Point 1 do not improve the symptom, change Wi-fi adapter.
OKOK
Check Point 3: Replace Main PCB
If Check Point 2 do not improve the symptom, change Main PCB.
02-07
Indicate or Display:
Outdoor Unit : No indication
Indoor Unit : Operation lamp: 1 time Flash, Timer lamp: 8 time Flash
Economy lamp: Continuous flash.
ERROR CODE : [E : 18 ]
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