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SiUS041501E
Troubleshooting
Service Diagnosis
72
4.10 OL Activation (Compressor Overload)
Error Code
E5
Method of Error
Detection
A compressor overload is detected through compressor OL.
Error Decision
Conditions
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 60 minutes without any other error
Supposed
Causes
Disconnection of discharge pipe thermistor
Defective discharge pipe thermistor
Disconnection of connector S40
Disconnection of 2 terminals of OL (Q1L)
Defective OL (Q1L)
Broken OL harness
Defective electronic expansion valve or coil
Defective four way valve or coil
Defective outdoor unit PCB
Refrigerant shortage
Water mixed in refrigerant
Defective stop valve
Summary of Contents for FTKN09NMVJU
Page 12: ...SiUS041501E 1 List of Functions Part 1 List of Functions 1 Functions 2...
Page 59: ...SiUS041501E Remote Controller 48 Part 5 Remote Controller 1 Cooling Only 49 2 Heat Pump 51...
Page 65: ...SiUS041501E Service Diagnosis 54 5 13 Power Module Check 100...
Page 132: ...Revision History Month Year Version Revised contents 03 2015 SiUS041501E First edition...