SiAF332111E Troubleshooting by Error Code
Part 6 Service Diagnosis 257
5.35 OL Activation (Compressor Overload)
Applicable
Models
RXMQ6/8AR
Error Code H5
Method of Error
Detection
A compressor overload is detected through compressor OL.
Error Decision
Conditions
If the error occurs, 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 X3A (RXMQ6AR)
Disconnection of connector X5A (RXMQ8AR)
Disconnection of 2 terminals of OL (Q1M)
Defective OL (Q1M)
Broken OL harness
Defective outdoor unit PCB
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