Samsung AC071MN4PKH - Diagnostic Checklist Ago; Test Operation Mode and Check Mode

Troubleshooting
4-17
4-3. Diagnostic Checklist ago
4-3-1. Test operation mode and check mode
▒ Display Options key
▒ Verify mode display
※ Pressing the K4 switch, you can view the following information about the system status
Short push Screen content SEG1 SEG2 SEG3 SEG4 Unit
1 Oder Frequency 1 Hundreds digit Tens digit Units digit Hz
2 Current Frequency 2 Hundreds digit Tens digit Units digit Hz
3 The number of current indoor units 3 Hundreds digit Tens digit Units digit Unit
4 The sensor for outdoor air intake 4 +/- Tens digit Units digit °C
5 Discharge sensor 5 Hundreds digit Tens digit Units digit °C
6 Eva-Mid sensor 6 +/- Tens digit Units digit °C
7 Cond sensor 7 +/- Tens digit Units digit °C
8 Current 8 Tens digit Units digit
The first place of
decimals
A
9 Fan RPM 9 Thousands digit Hundreds digit Tens digit rpm
10 Target discharge temperature A Hundreds digit Tens digit Units digit °C
11 EEV B Hundreds digit Tens digit Units digit step
12 The capacity sum of indoor units C Tens digit Unit digit
The first place of
decimals
kW
13 Protective control D
0: Cooling
1: Heating
Protective control
0: No Protective
control
1: Freezing
2: Non-stop
defrosting
3: Over-load
4: Discharge
5: Total electric
current
Frequency status
0: Normal
1: Hold
2: Down
3: Up_limit
4: Down_limit
-
14 The temperature of heat radiating plate E Hundreds digit Tens digit Units digit -
15 S/W check F - - - -
Long push 1 Main micom version Year (Hex) month (Hex) Date (Tens digit) Date (Units digit)
After short push 1 Inverter micom version Year (Hex) month (Hex) Date (Tens digit) Date (Units digit)
After short push 1 E2P version Year (Hex) month (Hex) Date (Tens digit) Date (Units digit)
※
Press and hold the K4 button(The main micom version)
ĺ
Press once more shortly
ĺ
Press once more shortly(E2P version)
7-segment display
Key Switch
< AC090/100/120/140MXAD*H >
▒ K3 switch
standby
mode(Eco Mode) release
KEY Push type Mode
Display
SEG1 SEG2 SEG3 SEG4
K1 Short
1st Heating test mode
2nd Defrost test mode
ఐ
3rd Stop
K2 Short
1st Cooling test
2nd Inverter check
3rd Pump down
K3 Short 1st Reset Release Eco mode
※ Defrost test mode
Condition 1: The outdoor temperature is below 10°C.
Condition 2: All the temperature conditions should meetthe defrost conditions.