Daikin VRV III RXYQ5-54PY1 Service Manual page 278

Si34-601A
Troubleshooting
Power ON
Troubleshooting
Troubleshooting by Indication on the Remote Controller
A
Is a difference
NO
between high pressure
and low pressure prior
to startup
0.2MPa?
YES
NO
Does the malfunction
L9 recur?
It can take a maximum of 60 minutes
to determine the malfunction.
YES
Faulty pressure
equalization:
Check the refrigerant
system.
End of measures:
Check the refrigerant
system.
Check of compressor:
Check the compressor
for abnormal sounds,
vibration, operating
conditions, and others
according to the
Compressor Diagnosis
Procedure.
267