Items To Check Before Diagnostics; Test Run Mode And View Mode; Display Option Key; View Mode Display - Samsung AC026RN1DKG Service Manual

Troubleshooting

4-2 Items to check before diagnostics

4-2-1 Test run mode and View mode

■ Display Option Key
KEY Key Operation
K1 Short
K2 Short
K3 Short
■ View mode display
※ Press the K4 switch to view the information on the system status as follows:
K4 short push Display contents
1 Order frequency
2 Current frequency
The number of
3
preset indoor units
Ambient
4
temperature sensor
Compressor
5
discharge sensor
6 Eva Sensor
7 Condenser sensor
8 Current
9 Outdoor fan RPM
Target discharge
10
temperature
11 EEV
The capacity sum of
12
indoor units
13 Protective control
14 IPM temperature
The number of
15
connected indoor units
4-10
Key Operation
1st Heating test mode
2nd Defrost test mode*
3rd Stop
1st Cooling test
2nd Inverter check
3rd Pump down
4th Stop
1st Reset Release Eco mode
7-segment display
SEG1
1 Hundreds digit
2 Hundreds digit
3 Hundreds digit
4
5 Hundreds digit
6
7
8
9 Thousands digit
A Hundreds digit
B Hundreds digit
C
D
E Hundreds digit
F
SEG2 SEG3
Tens digits
Tens digits
Tens digits
+/- Tens digits
Tens digits
+/- Tens digits
+/- Tens digits
Tens digits Units digit
Hundreds digit
Tens digits
Tens digits
Tens digits Units digit
Protective control
0: No Protective
control
1 : Freezing
0: Cooling
2 : Non-stop
1: Heating
defrosting
3 : Over-load
4 : Discharge
5 : Total electric
current
Tens digits
0 Tens digits
7-segment Display
SEG4 Unit
Units digit Hz
Units digit Hz
Units digit Unit
Units digit °C
Units digit °C
Units digit °C
Units digit °C
The first place of
°C
decimals
Tens digits rpm
Units digit °C
Units digit step
The first place of
kW
decimals
Frequency status
0: Normal
1: Hold
-
2: Down
3: Up_limit
4: Down_limit
Units digit -
Units digit EA
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