Model reference
Samsung MH18AP2
Air Conditioner
5 documents12 error codes2 service modes
Available documentation
Service Manual
- LG Samsung MH18AP2 09 Troubleshooting17 pg
Tech Sheet
- LG Samsung MH052FXEA2 Reference Information9 pg
Wiring Diagram
- Wiring Diagram4 pg
- LG Samsung MH18AP2 09 Schematic Diagram5 pg
Other
- LG Samsung MH18AP2 09 Disassembly _ Reassembly4 pg
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Error codes (12)
CodeMeaning
E1Indoor unit room temperature sensor error (MICOM input over 4.9V or below 0.4V).E2Indoor unit heat exchanger (IN) sensor error.E3Indoor unit fan motor error (15 seconds after fan operating below 450 RPM).E4Indoor unit communication error (wrong data for 60 seconds).E5Indoor unit EEPROM error.E6Indoor unit EEPROM option error.E7Outdoor unit B, C units cool and heat simultaneously (cool and heat mode…E8Outdoor unit pipe is wrong connected (pipes or cables are wrong connected).E9Outdoor unit sensor error (short/open)EAOutdoor unit sensor error (short/open)EBOutdoor unit sensor error (short/open)ECError in setting indoor unit's address and outdoor unit communication error.Service modes (2)
- PCB Communication Check["Apply power to the outdoor unit.","Observe the outdoor unit PCB display part (SEG1).","Check that…
- Test Operation (Outdoor Unit PCB)["Apply power to the outdoor unit.","Press PCB switch S/W-A once to start Unit A test (or S/W-B for…
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