Daikin R48NUY2S - Troubleshooting: White Mist Discharge

Si20-701_B Symptom-based Troubleshooting
40
Is
there any
temperature
difference between
suction side and
discharge side of
four way
valve?
Is
there any
temperature
difference between
inlet and outlet of
electronic
expansion
valve?
NO
YES
Replace the
electronic
expansion valve.
NO
YES
Replace the four
way valve.
Defective compressor
Check the
compressor.
A