What to do if my Samsung AC026MNJDKH/EU displays error E403?
- JjenniferdominguezSep 12, 2025
If your Samsung Air Conditioner displays error code E403, check the Outdoor Condenser.

What to do if my Samsung AC026MNJDKH/EU displays error E403?
If your Samsung Air Conditioner displays error code E403, check the Outdoor Condenser.
What to do if my Samsung AC026MNJDKH/EU displays error E108?
If your Samsung Air Conditioner displays error code E108, check on repeated indoor unit main address.
| Cooling Capacity | 2.6 kW |
|---|---|
| Heating Capacity | 3.2 kW |
| Energy Efficiency Class (Cooling) | A++ |
| Energy Efficiency Class (Heating) | A+ |
| Power Input (Cooling) | 0.8 kW |
| Refrigerant | R32 |
| Power Input (Heating) | 0.88 kW |
| Indoor Sound Level (Low) | 21 dB(A) |
| Outdoor Sound Level | 46 dBA |
| Operating Temperature Range (Cooling) | -10°C to 46°C |
| Operating Temperature Range (Heating) | -15°C to 24°C |
General safety guidelines for servicing the air conditioner, emphasizing correct parts and connections.
Guidelines for handling static electricity and personal safety during repair work.
Safety measures concerning power cords, plugs, outlets, and user handling.
Additional safety advice, including pipe handling and pump down procedures.
Overview of key features like console type, virus doctor, filters, installation flexibility, and design.
Detailed technical specifications for indoor and outdoor units, including dimensions, weight, capacity, and power.
List of included accessories and optional items with their corresponding codes and quantities.
Step-by-step instructions for disassembling the indoor unit's components, including casing and electrical parts.
Procedure for disassembling the outdoor unit, covering common work, fan, motor, and heat exchanger removal.
Guide to setting indoor unit addresses and installation options using the remote control.
Troubleshooting steps involving error modes, test run, and view mode diagnostics.
Guidance for diagnosing and resolving issues based on specific symptom codes and sensor errors.
Procedure to diagnose and resolve communication errors between indoor and outdoor units.
Diagrams showing the main PCB layout and connector pin assignments for the indoor unit.
Diagrams illustrating the main PCB layout and component descriptions for the outdoor unit.
Detailed wiring diagram for the indoor unit, showing connections between components and PCBs.
Wiring diagram for the outdoor unit, illustrating connections and error mode codes.
Table correlating model codes with specific product types, ratings, and refrigerants.
Schematic illustrating the refrigerant flow and components in the air conditioning system.
Graphs showing pressure variations relative to outdoor temperature in different operating modes.












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