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barbaralewisSep 13, 2025
What to do if my Samsung AC024BXADCH Air Conditioner shows E403 error?
- DDiana HernandezSep 13, 2025
If your Samsung Air Conditioner is showing the E403 error, check the outdoor condenser.
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If your Samsung Air Conditioner is showing the E403 error, check the outdoor condenser.
General| Model | AC024BXADCH |
|---|---|
| Cooling Capacity | 24000 BTU/h |
| Power Supply | 220-240V, 50Hz |
| Refrigerant | R410A |
| Outdoor Unit Dimensions (W x H x D) | 310 mm |
| Weight (Outdoor Unit) | 42 kg |
| Net Weight (Outdoor, kg) | 42 kg |
| Operating Temperature (Cooling) | 18°C to 43°C |
Guidelines for performing service on the air conditioner, including part usage and assembly.
General safety guidelines for operating and handling the air conditioner to prevent electrical hazards.
Safety and environmental considerations for handling refrigerants, including gas release and container safety.
Guidance on setting indoor unit addresses and installation options using the remote controller.
Procedures for diagnosing issues, including test operation modes and display indications.
Diagnostic steps for indoor temperature sensor errors (E121), including resistance checks.
Diagnostic steps for indoor heat exchanger sensor errors (E122), including resistance checks.
Troubleshooting guide for indoor unit float sensor errors (E153), checking water levels and PCB.
Diagnostic steps for indoor fan errors (E154), checking motor connector and voltage.
Troubleshooting steps for EEPROM circuit failures (E162), including checking assembly and soldering.
Diagnostic guide for communication errors after tracking (E202) between indoor and outdoor units.
Initial diagnosis procedures for outdoor units that are not powering on, focusing on 1-phase products.
Steps to diagnose indoor/outdoor communication errors (E202) occurring within 2 minutes.
Diagnosing communication errors (E203) between outdoor unit INV and MAIN MICOM within 1 minute.
Diagnostic steps for outdoor sensor errors (E221, E231, E251, E320), including resistance checks.
Troubleshooting guide for compressor errors related to freezing control (E403).
Diagnostic steps for pipe blockage errors (E422), checking piping and refrigerant.
Troubleshooting for outdoor unit fan errors (E458, E475), checking PCB and fan motor.
Diagnostic steps for compressor starting or rotation errors (E461, E467), checking wires and resistance.
Troubleshooting for full current or PFC over-current errors (E462, E484).
Diagnostic steps for IPM over-current errors (E464), checking wiring and assembly.
Troubleshooting DC LINK errors (E466, E483, E488), checking power, reactor, and fuses.
Diagnostic steps for gas leakage errors (E554), checking installation and refrigerant.
