Trouble shooting 5
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 controller PCB to the external I/OPCB and 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 external I/O PCB, Wi-fi adapter and the controller PCB
(If there is loose connector, open cable or mis-wiring)
the same a signal has not been received for 15sec
After receiving a signal from the external I/O PCB,
1. Connection failure 2.External I/O PCB, Wi-fi adapter failure 3.Controller PCB failure
Check Point 1 : Check the connection
Check Point 2: Replace external I/O PCB, Wi-fi adapter
If Check Point 1 do not improve the symptom, change External I/O PCB and Wi-fi adapter.
OKOK
Check Point 3: Replace Controller PCB
If Check Point 2 do not improve the symptom, change Controller PCB.
Indicate or Display:
Error code : 18
Outdoor unit :
POWER
MODE
ERROR
2
5
(L1) (L2) (L6)(L5)(L4)(L3)
15
PUMP
DOWN
LOW
NOISE
PEAK
CUT
02-07
To Next Page
Loading...
