Model reference
Samsung CH070EZM
Air Conditioner
8 documents16 error codes8 service modes
Available documentation
Service Manual
- LG Samsung CH105EZM1 Troubleshooting14 pg
- Set up the model code3 pg
- Cassette Type Air Conditioner Service Manual1 pg
- SERVICE AIR CONDITIONER Manual2 pg
Wiring Diagram
- Schematic Diagram4 pg
- LG Samsung CH070EZM Wiring Diagrams4 pg
- LG Samsung CH070EZM Block Diagrams3 pg
- Refrigerating Cycle Diagram2 pg
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Error codes (16)
CodeMeaning
E1Communication error during operation between indoor unit and outdoor unit.E2Tracking errorE3Indoor float switch errorE5Error of reverse phase.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…P0High temperature of discharge (protection control).P1High temperature of outdoor heat exchanger (protection control).P4Reverse phase error (protection control).P5Compressor down to protect against being frozen.P9In removing frost (defrost operation).t1Outdoor temperature sensor OPEN/SHORT error.t2Outdoor heat exchanger temperature sensor OPEN/SHORT error.t3Outdoor discharge temperature sensor OPEN/SHORT error.toMismatching of indoor unit numbers set with those communicated after completion…tuSystem down caused by communication error after completion of tracking.Service modes (8)
- Adding Refrigerant (Cooling Mode)["Press K2 on outdoor unit PCB once to initiate adding refrigerant at cooling mode."]
- Adding Refrigerant (Heating Mode)["Press K1 on outdoor unit PCB once to initiate adding refrigerant at heating mode."]
- Data Display / Check Mode["Press K4 on outdoor unit PCB to enter data display mode.","Press K4 once to display compressor…
- Pump Down (Refrigerant Recovery)["Press K2 on outdoor unit PCB three times to initiate pump down for recovery of refrigerant."]
- Reset["Press K3 on outdoor unit PCB once to perform reset."]
- Test Operation (Cooling Mode)["Press K2 on outdoor unit PCB twice to initiate test operation at cooling mode."]
- Test Operation (Heating Mode)["Press K1 on outdoor unit PCB twice to initiate test operation at heating mode."]
- Wired Remote Controller Error Check["When error icon is displayed on wired remote controller, press the Test button to view the error…
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