Daikin R71FUV1 Service Manual page 53

Si20-701_B
A
Is the level of
low pressure lower
than normal level?
46
YES
NO
Symptom-based Troubleshooting
Check the each
item.
• Refrigerant
• Soiled heat
• Short circuit of
• Disturbing item
• Defective
Check the each
item.
• Insufficient
• Insufficient
• Defective
overcharge
exchanger
discharge air
in airflow
outdoor unit fan
motor (Refer to
troubleshooting
"E7".)
compression of
compressor
circulation of
refrigerant
electronic
expansion valve