Daikin R71FUV1 Service Manual page 47

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