Items To Check Before Diagnostics; Test Run Mode And View Mode - Samsung AC030JN4DCH Service Manual

Troubleshooting

4-2 Items to check before diagnostics

4-2-1 Test run mode and View mode

Display Option Key
KEY
K1
K2
K3
K4
View mode display
Press the K4 switch to view the information on the system status as follows:
No. of Press Display content
1 Order frequency
2 Current frequency
3 Number of indoor units
4 Out sensor
5 Discharge sensor
6 Eva-Mid sensor
7 Cond sensor
8 Current
9 Fan RPM
10 Target discharge temperature
11 EEV
12 Total indoor unit capacity
13 Protection control
14 Heatproof plate temperature
15 S/W check
Ver.1( Long Press once)
Ver.2( Short press once after Ver.1)
Ver.3( Short press once after Ver.2)
※ Press the K4 button long (Main MICOM version)
4-10
Key Operation
Press once: Heating test run
Press twice: Defrost test run
Press once: Cooling test run
Reset
View mode
7-segment display
SEG1 SEG2
1 Three digits
2 Three digits
3 Three digits
4
5 Three digits
6
7
8 Two digits
9 Four digits
A Three digits
B Three digits
C Two digits
0: Cooling
D
1: Heating
E Three digits
F
Main MICOM version Year (Hex)
Inverter MICOM version Year (Hex)
E2P version Year (Hex)
Press once more shortly Press shortly one more time (E2P version)
Refer to View mode display
SEG3
Two digits
Two digits
Two digits
+/- Two digits
Two digits
+/- Two digits
+/- Two digits
One digit
Three digits
Two digits
Two digits
One digit
Protection control
0: no protection control
1: freezing
2: non-stop defrosting
3: overload
4: discharge
5: under-current
Two digits
- -
Month (Hex)
Month (Hex)
Month (Hex)
7-segment Display
BLANK BLANK
BLANK BLANK
BLANK BLANK
SEG4
One digit
One digit
One digit
One digit
One digit
One digit
One digit
First decimal
Two digits
One digit
One digit
First decimal
Frequency state
0: Normal
1: Hold
2: Down
3: Up_limit
4: Down_limit
One digit
-
Date (Two digits) Date (One digit)
Date (Two digits) Date (One digit)
Date (Two digits) Date (One digit)
Samsung Electronics
Unit
Hz
Hz
Unit
rpm
step
kW
-
-
-