SiBE05-722EE Troubleshooting
Service Diagnosis 79
4.11 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
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