Samsung AE040RXEDEG Service Manual

Also see for EHS AE050RXYDEG/EU: Manual

TroubleshootingSamsung Electronics974-4 Items to check before diagnostics4-4-1 Test run mode and view mode█ Display Option KeyKEY KEY operation 7-segment display7-segment displayKEY (K1~K4)K1Press once : Heating test run " " " " "BLANK" "BLANK"Press twice : Defrost test run " " " " "BLANK" "BLANK"Press 3times : Finishing test mode -K2Press once : Cooling test run(Heating Only : skip) " " " " "BLANK" "BLANK"Press twice : Output signal test run " " " " "BLANK" "BLANK"Press 3 times : Finishing test mode -K3 Reset -K4 View mode Refer to View mode display█ VIEW mode displayNumberof press Display contents Display UnitsSegment 1 Segment 2 Segment 3 Segment 40 Communication State 10s digit of Tx 1s digit of Tx 10s digit of Rx 1s digit of Rx -1 Order frequency 1 100s digit 10s digit 1s digit Hz2 Current frequency 2 100s digit 10s digit 1s digit Hz3 Pump output 3 100s digit 10s digit 1s digit %4 Outdoor air sensor 4 +/- 10s digit 1s digit °C5 Discharge sensor 5 100s digit 10s digit 1s digit °C6 Eva in sensor (MONO) 6 +/- 10s digit 1s digit °C7 Inlet water sensor (MONO) 7 +/- 10s digit 1s digit °C8 Outlet water sensor (MONO) 8 +/- 10s digit 1s digit °C9 Cond sensor 9 +/- 10s digit 1s digit °C10 Current A 10s digit 1s digit First decimal A11 Fan RPM B 1000s digit 100s digit 10s digit rpm12 Target discharge temperature C 100s digit 10s digit 1s digit °C13 EEV D 1000s digit 100s digit 10s digit step14 Protective control E 0 : Cooling1 : HeatingProtectivecontrol0 : No protectivecontrol1 : Freezing2 : Defrosting3 : Over-load4 : Discharge5 : Total currentFrequency status0 : Normal1 : Hold2 : Down3 : Up_limit4 : Down_limit-15 IPM temp. F +/- 10s digit 1s digit °Clong-1 Main Micom version Year(Dec) Month(Hex) Day(two digit) Day(One digit) -long-1 and 1 Inverter Micom version Year(Dec) Month(Hex) Day(two digit) Day(One digit) -long-1 and 2 EEPROM version Year(Dec) Month(Hex) Day(two digit) Day(One digit) -KEY KEY operation 7-segment display7-segment displayKEY (K1~K4)K1Press once : Heating test run " " " " "BLANK" "BLANK"Press twice : Defrost test run " " " " "BLANK" "BLANK"Press 3times : Finishing test mode -K2Press once : Cooling test run(Heating Only : skip) " " " " "BLANK" "BLANK"Press twice : Output signal test run " " " " "BLANK" "BLANK"Press 3 times : Finishing test mode -K3 Reset -K4 View mode Refer to View mode displayAE080~160RXSSSS AE040/050/060RXSSSS