Troubleshooting
4-10 Samsung Electronics
KEY
Key Operation 7-segment Display
K1
Press once: Heating test run
BLANK BLANK
Press twice: Defrost test run
BLANK BLANK
K2 Press once: Cooling test run
BLANK BLANK
K3 Reset
K4 View mode Refer to View mode display
No. of P ress Display content SEG1 SEG2SEG3SEG4 Unit
1 Order frequency 1Three dig its Two digits One digit Hz
2Curre nt frequency 2 Three digits Two digits One dig it Hz
3Number of indoor units 3 Three digits Two digits One digit Unit
4 Out sensor 4+/- Two digits One digit
ఁ
5 Discharge sensor 5 Three digits Two digits One digit
ఁ
6Ev
a-Mid sensor 6+/- Two digits One digit
ఁ
7 Cond sensor 7 +/- Two digits One dig it
ఁ
8Curre nt 8 Two dig its One digit First decimal
ఁ
9 Fan RPM 9 Four digits Three digits Two digits rpm
10 Target discharge temperature A Three digits Two digits One digit
ఁ
11 EEV B Three digits Two digits One digit step
12 Total indoor unit capacity C Two
digits One digit First decimalkW
13Protection control D
0: Cooling
1: Heating
Protection control
0: no protection control
1: freezing
2: non-stop defrosting
3: overload
4: discharge
5: under-current
Frequency state
0: Normal
1: Hold
2: Down
3: Up_limit
4: Down_limit
-
14 Heatproof plate temperature EThree
digits Two digits One dig it -
15S/W checkF----
Ver.1( Long Press once) Main MICOM version Year (Hex)Month (Hex) Date (Two digits) Date (One digit)
Ver.2( Short press once after Ver .1) Inverter MICOM version Year (Hex)Month (Hex) Date (Two digits) Date (One digit)
Ver.3( Short press once after Ver .2) E2P version Year (Hex)Month (Hex) Date (T
wo dig its) Date (One digit)
※
Press the K4 button long (Main MICOM version)
ĺ
Press once more shortly
ĺ
Press shortly one more time (E2P version)
4-2 Items to check before diagnostics
4-2-1 Test run mode and View mode
䒲 Display Option Key
䒲 View mode display
ఐ
Press the K4 switch to view the information on the system status as follows:
7-segment display
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