62 Samsung Electronics
Check Operation & Amount of Refriherant Automatically Checking
6) 4Way Valve
C Inspection item : 4Way Valve of Outdoor Unit.
C Error code: None (The resulting report "Undetermined")
C Determine the 4Way Valve operation status of the each Outdoor Unit.
C If the judgment of 4Way Valve is "Undetermined" : Checking in accordance with the following order.
Yes
Check the corresponding Pressure sensor.
No
Commissioning results,
is Valve and Pressure sensor normal?
Yes
No
Is 4Way Valve connector properly connect?
Yes
Replace Valve coil
No
Is 4Way Valve coil normal?
(Wire breaking, operation impossible, etc.)
Yes
Replace PCB
No
Is PCB Output signal normal?
Replace 4Way Valve Body
(Retry the Automatic Commissioning :
If the continuous "Undetermined" is displayed.)
Complete