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sheila68Sep 13, 2025
What to do if my Samsung AC036BNZDCH Air Conditioner shows E403 error?
- EEarl PittmanSep 14, 2025
If your Samsung Air Conditioner is showing the E403 error, check the outdoor condenser.

What to do if my Samsung AC036BNZDCH Air Conditioner shows E403 error?
If your Samsung Air Conditioner is showing the E403 error, check the outdoor condenser.
| Heating Capacity (kW) | 4.0 |
|---|---|
| Energy Efficiency Ratio (EER) | 3.21 |
| Coefficient of Performance (COP) | 3.61 |
| Refrigerant | R410A |
| Power Supply | 220-240V, 50Hz |
| Operating Temperature (Cooling) | 18-43°C |
| Type | Split System |
| Cooling Capacity (kW) | 3.6 kW |
| Outdoor Unit Noise Level | 50 dBA |
| Power Consumption Cooling (W) | 1120 W |
| Outdoor Unit Dimensions (WxHxD) | 720 x 495 x 270 mm |
| Operating Temperature (Heating) | -10-24°C |
Step-by-step procedures for disassembling various indoor unit types, including panels, filters, and motors.
Detailed procedures for disassembling outdoor units, covering covers, fan, motor, compressor, and heat exchanger.
Provides a checklist for diagnosing faults based on display indications, test modes, and component checks.
Addresses common error codes and symptoms, offering troubleshooting steps for indoor and outdoor unit issues.
Wiring diagrams for various indoor unit types including Cassette, Duct, and Console models.
Wiring diagrams for outdoor units, detailing connections for Inverter PCBs and relevant error codes.












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