Samsung AC024BXUPCH - Over Load Protection Error (E463)

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Troubleshooting

4-22 Samsung Electronics

4-2-16. Over Load Protection Error (E463)

Outdoor unit display

Judgment Method Check the OLP sensor.

Cause of problem

Main Page

Table of Contents2
Precautions4
Precautions for the Service4
Precautions for the Static Electricity and PL4
Precautions for the Safety4
Precautions for Handling Refrigerant for Air Conditioner5
Precautions for Welding the Air Conditioner Pipe5
Precautions for Additional Supplement of Air Conditioner Refrigerant5
Other Precautions5
Product Specifications6
Outdoor Unit with AHU Control Unit6
Product Specifications8
Specifications of Optional Items10
Accessories10
Disassembly and Reassembly11
Outdoor Unit12
AHU Control Unit35
Troubleshooting36
Diagnostic Checkliest36
Test Operation Mode and Check Mode36
Troubleshooting by Symptoms42
When the Outdoor Unit Power Is Not on - Initial Diagnosis : Single Phase Products42
Communication Error between Outdoor Unit INV ↔ MAIN MICOM (1 Min.) - (E203)44
Outdoor Sensor Error - (E221, E231, E251, E320)45
High Pressure Sensor Error (Open/Short) - (E291)46
Suction Temperature Sensor Error (Open/Short) - (E308)47
Compressor down Due to Freezing Control - (E403)48
System Stop Due to Overload Protection Control - (E404)48
Comp. down Due to High Pressure Protection Control - (E407)49
Comp. down Due to Low Pressure Sensor Protection (E410)50
Comp. down Due to Disharge Temperature Protection Control - (E416)51
Heating Operation Restricted at Outdoor Temperature over Theat_High Value52
(Default : 86℉(30℃)) - (E440)52
Cooling Operation Restricted at Outdoor Temperature over Tcool_Low Value52
(Default : 32℉(0℃)) - (E441)52
Outdoor Unit FAN Error - (E458, E475)53
Compressor Error - (E461, 467)54
Current Error - (E462, 484)56
Over Load Protection Error (E463)57
IPM (over Current) Error - (E464)58
Compressor over Load Error- (E465)61
AC Input Voltage Sensor Error - (E488)62
Current Sensor Error - (E468)63
DC Link Voltage Sensor Error (Short/Open) - (E469)63
Outdoor Unit EEPROM Read/Write Error (Option) - (E470)63
Outdoor Unit EEPROM Read/Write Error (H/W) - (E471)63
Input Current Sensor Error (Short/Open) - (E485)64
Error Due to High Pressure Switch Open or Compressor down by High Pressure - (E507)65
Gas Leakage Error - (E554)66
Blockage Deteced on High Pressure Pipe Duing Heating Operation - (E534)68
PCB Diagram and Parts List69
Outdoor Unit Main PBA69
Outdoor Unit Inverter PBA71
Outdoor Unit EMI PBA73
AHU Control Unit PBA74
Wiring Diagram75
Outdoor Unit75
AHU Control Unit76
Reference Sheet77
Index for Model Name77
Outdoor Unit77
Refrigerating Cycle Diagram79

Samsung AC024BXUPCH - Over Load Protection Error (E463)

Table of Contents

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