Samsung DVM S ECO BIG Series - 4-1-1 Special Operation

Troubleshooting
4-2 Samsung Electronics
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K1 button function
(Note 1) Not available on AM***FXM**C Series
• Evenwhentheoutdoorunitpoweriso,itisdangerouswhenyoucomeincontactwithinverterPCBsinceitischargedwithhigh
DC voltage.
• Whenreplacing/repairingthePCB,cut-othepowerandwaituntiltheDCvoltageisdischargedbeforereplacing/repairingthem.
(Wait for more than 15 minutes to allow it to discharge naturally.)
• Whentherewereerror,'DischargemodeofDClinkvoltage'maynothavebeeneective.EspeciallyiferrorE464hasbeenoccurred,
power element might be damaged by re and therefore, do not use the 'Discharge mode of DC link voltage'.
• During"DischargemodeofDClinkvoltage",voltageofINVwillbedisplayed.
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K2 button function
K1 Control KEY operation Display on segment
Press and hold 1 time Auto trial operation “K” ”K” “BLANK” “BLANK”
K1 (Number of press) KEY operation Display on segment
1 time
Refrigerant charging in Heating mode
(Note 1)
“K” “1” “BLANK” “BLANK”
2 times Trial operation in Heating mode (Note 1) “K” “2” “BLANK” “BLANK”
3 times Pump out in Heating mode (Note 1) “K” “3” “BLANK” “1”
4 times Vacuuming “K” “4” “BLANK” “1”
5 times End Key operation -
K2
(Number of press)
KEY operation Display on segment
1 time Refrigerant charging in cooling mode “K” “5” “BLANK” “BLANK”
2 times Trial operation in cooling mode “K” “6” “BLANK” “BLANK”
3 times Pump down in cooling mode “K” “7” “BLANK” “BLANK”
4 times
Automatic setting of operation mode
(Cooling/Heating) for trial operation
“K” “8” “BLANK” “BLANK”
5 times Checking the amount of refrigerant “K” “9” XX
(Display of last two digits may differ
depending on the progress)
End Key operation -
6 times Discharge mode of DC link voltage “K” “A” “BLANK” “BLANK”
7 times Forced defrost operation (Note 1) “K” “B” “BLANK” “BLANK”
8 times Forced oil collection “K” “C” “BLANK” “BLANK”
9 times Inverter compressor check “K” “D” “BLANK” “BLANK”
10 times Fan 1 check “K” “E” “BLANK” “BLANK”
11 times Fan 2 check “K” “F” “BLANK” “BLANK
12 times End key operation -