Samsung AM072BXV Series Service Manual page 72

Troubleshooting
4-2 Service Operation
4-2-1 Special Operation (cont.)
K4
(Number of press)
9 times IPM temperature (Compressor 2)
10 times
11 times
12 times
13 times
14 times
15 times TOP temperature (Compressor 1)
16 times TOP temperature (Compressor 2)
17 times
18 times
19 times
20 times
21 times
22 times
23 times
24 times
25 times Current frequency (Compressor 1)
26 times Current frequency (Compressor 2)
27 times Suction 2 temperature (HR Only)
28 times
29 times
30 times
K4
(Number of press)
Press and hold the K4 to
enter the setting
1 time
2 times
3 times
4 times
5 times
6 times
7 times
8 times Automatically assigned address of the units
9 times Manually assigned address of the units
※ I/U : Indoor unit
Samsung Electronics
KEY operation
CT sensor value (Compressor 1)
CT sensor value (Compressor 2)
Suction temperature
COND OUT temperature
Temperature of liquid pipe
Outdoor temperature
EVI inlet temperature
EVI outlet temperature
Main EEV1 step
Main EEV2 step
EVI EEV step
HR EEV step
Fan step (SSR or BLDC)
Master indoor unit address
Suction 3 temperature
COND OUT2 temperature
Displayed content
Main version
Hub version
Inverter 1 version
Inverter 2 version
Fan 1 version
Fan 2 version
EEP version
Display on segment
SEG1
9
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
Main indoor unit not selected → BLANK, N, D
S
If indoor unit No 1 is selected as the main unit → 0, 0, 1
U
V
Display on segment
PAGE1
MAIN
HUB
INV1
INV2
FAN1
FAN2
EEP
SEG1
AUTO
Indoor unit: "A" MCU:
"C"
SEG1
MANU
Indoor unit: "A"
SEG2, 3, 4
87 °C → 0, 8, 7
2 A → 0, 2, 0
2 A → 0, 2, 0
-42 °C → -, 4, 2
-42 °C → -, 4, 2
-42 °C → -, 4, 2
-42 °C → -, 4, 2
-42 °C → -, 4, 2
-42 °C → -, 4, 2
-42 °C → -, 4, 2
-42 °C → -, 4, 2
2000 steps → 2, 0, 0
2000 steps → 2, 0, 0
300 steps → 3, 0, 0
300 steps → 3, 0, 0
13 steps → 0, 1, 3
120 Hz → 1,2,0
120 Hz → 1,2,0
-42 °C → -, 4, 2
-42℃→ -,4,2
-42℃→ -,4,2
PAGE2
Version (ex. 1412)
Version (ex. 1412)
Version (ex. 1412)
Version (ex. 1412)
Version (ex. 1412)
Version (ex. 1412)
Version (ex. 1412)
SEG2 SEG3,4
Indoor unit: "0" Address
MCU: "1" (ex: 07)
SEG2 SEG3,4
Indoor unit: "0" Address (ex: 15)
66