Settings Of Pcb Display Of The Outdoor Unit; Key Options Of Pcb Display; K4 View Mode Display Changes - Samsung AJ009JNNDCH Service Manual

To complete the installation, perform the following checks and tests to ensure that the air conditioner is operating
correctly.
1. Review all the following elements in the installation:

Settings of PCB Display of the Outdoor unit

Key Options of PCB Display

- K1 : pipe checking operation button
- K3 : Reset button
Key
K1
Push
Pipe Checking
1 Operation
(Display:
2 -
3 -
4 -

K4 View mode Display changes

Push Display Explanation
0 Present Compressor Frequency
1 Target Compressor Frequency
2 Order Compressor Frequency
3 EEV0 current step
4 EEV1 current step
5 EEV2 current step
6 EEV3 current step3
7 Fan RPM (H: high, L: low, Blank: off)
The EEV 2 and EEV 3 of AJ020JCJ2CH model is always displayed as blank
The EEV 3 of AJ024JCJ3CH model is always displayed as blank
Samsung Electronics
- K2 : Function button
- K4 : View mode change button
K2 K3
Heat Mode Try run
(Display: )
)
Refrigerant Charging
)
(Display:
Reset
Cool Mode Try run
(Display: )
Pump down
(Display: )
Push
8 Discharge temperature
9 OLP temperature
10 Condenser temperature
11 Outdoor temperature
12 Running current
13 Target Discharge temperature
14 Total capacity of the indoor units
15 Safety Control (just For Service Technician)
K4
View mode
change
Display Explanation
AJ020JCJ2CH/AJ024JCJ3CH
K1
K2 K3 K4
Display of the external unit
During the initial 60 seconds,
display 1 shows in sequence:
00 01 02 ...15 00...
AJ036JCJ5CH
DIP
Display 1 Display 2
Switch
K1 Rotary
Switch
4-17