Model reference

Samsung UH094EAM

Name: Samsung UH094EAM
Brand: Samsung

Air Conditioner

2 documents27 error codes5 service modes

Available documentation

Service Manual

Cassette Type Air Conditioner Service Manual46 pg
Covers this model
Cassette Type Air Conditioner Service Manual2 pg
Covers this model

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Error of electronic expansion valve

From Service Manual 778853, p.25:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure door lock assembly resistance across PTC terminals. Expected: ~200 ohms cold.

3.Inspect strike and latch alignment. A misaligned strike prevents the switch stack from closing.

Part DC34-00024B

Door lock assembly

Error codes (27)

CodeMeaning

CxError of electronic expansion valve open in outdoor unit (x = indoor unit…dxError of electronic expansion valve close in outdoor unit (x = indoor unit…E1Communication error during operation between indoor and outdoor units (no…E2Tracking error E3Indoor float switch error E5Error of reverse phase (protection control).EAError of communication between outdoor unit and wired remote controller.EbError of communication between indoor unit and wired remote controller.EoError of the outdoor unit (refer to outdoor unit installation manual for…G4Open error of electronic expansion valve in outdoor unit (detected once or more…G5Close error of electronic expansion valve in outdoor unit (detected once or…oxDetection of the float switch (x = indoor unit address 0-F).P0High temperature of discharge (protection control).P1High temperature of outdoor heat exchanger (protection control).P4Compressor down due to 6th detection of freezing.P5In removing frost (defrost operation).P9Error of reverse phase (protection control)qxError of temperature sensor in the indoor unit OPEN/SHORT (x = indoor unit…rxError of the heat exchanger sensor in the indoor unit OPEN/SHORT (x = indoor…t1Outdoor temperature sensor OPEN/SHORT error.t2Outdoor heat exchanger temperature sensor OPEN/SHORT error.t3Discharge temperature sensor OPEN/SHORT error.toEEPROM error.tuEEPROM option error.txEEPROM error on indoor unit (x = indoor unit address 0-F).UxEEPROM option error on indoor unit (x = indoor unit address 0-F).vxError of fan starting (x = indoor unit address).

Service modes (5)

Option Setup Mode (Remote Control)["Remove batteries from remote control.","Press the temperature button simultaneously and insert…
Outdoor Unit Data Display / Check Mode["Press K4 on outdoor unit PCB repeatedly to cycle through data readings:","K4 press 1
Reset Mode["Press K3 on outdoor unit PCB once to reset."]
Test Operation - Cooling Mode["Press K2 on outdoor unit PCB once for adding refrigerant at cooling mode.","Press K2 twice for…
Test Operation - Heating Mode["Press K1 on outdoor unit PCB once for adding refrigerant at heating mode.","Press K1 twice for…

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