Samsung DH094EAM Service Manual page 21

Control Specification & Troubleshooting
5-1-3 Setting Up Option Switches
I KEY
K1
CHECK
MODE
I Summary of KEY functions
Function
Number
of press times
1
2
3
4
✳ Use the K1 only for heat pump models.
20
K2 K3 K4
RESET DISPLAY
MODE
K1
(Displayed on SEG 3, 4)
(Displayed on SEG 3, 4)
Adding refrigerant at
heating mode
Test operation at
heating mode
Pump Down for recovery
End
-
I Display
SEG1
ITEM No.
K2
(Displayed on SEG 3, 4)
Adding refrigerant at
cooling mode
Test operation at
cooling mode
of refrigerant
End
DIS 1 DIS 2
SEG2 SEG3 SEG4
CURRENT DATA DISPLAY
K3
(Displayed on SEG 3, 4)
Displays data
Reset
-
-
-
Samsung Electronics
K4
-
-
-