Daikin GYEQ20AN Service Manual page 145

SiAUY361411EA
4
Oil Pressure Too Low
Sub-code 0: The oil pressure switch is ON in 15 seconds after engine startup.
Description
of the failure
Oil pressure switch contact failure; pressure regulator valve failure; oil filter clogged; oil level too low;
Possible
causes engine oil abnormally consumed; oil leak
of the failure
Flow chart
Is Unit Free From Oil Leaks?
YES
Is Oil Level Normal?
YES
Is Oil Filter Non-Defective?
YES
Is Oil Pressure Normal?
YES
Check/Replace Oil Pressure
Switch.
Troubleshooting
NO
Check For Oil Leaks.
NO
Check Oil Level.
NO
Check Oil Filter.
NO
Check Oil Pressure.
Check Engine Oil System.
Flow Charts for Troubleshooting
025867-00E
Error
E3
code
134