Ol Activation (Compressor Overload) - Daikin VRV RXYMQ-A Series Service Manual

Troubleshooting by Error Code

5.34 OL Activation (Compressor Overload)

Applicable All outdoor unit models
Models
H5
Error Code
Method of Error
A compressor overload is detected through compressor OL.
Detection
Error Decision
 If the error occurs, the system is shut down.
Conditions  Reset condition: Continuous run for about 60 minutes without any other error
Supposed  Disconnection of discharge pipe thermistor
 Defective discharge pipe thermistor
Causes
 Disconnection of connector X3A (RXYMQ4AVMK)
 Disconnection of connector X5A (RXYMQ4-6AYFK)
 Disconnection of 2 terminals of OL (Q1M)
 Defective OL (Q1M)
 Broken OL harness
 Defective outdoor unit PCB
212
SiME332106E
Part 6 Service Diagnosis