Daikin ZQG71~140L7V1B Service Manual page 190

Troubleshooting by Remote Controller
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
CHECK 9
Check for refrigerant shortage.
Is
the refrigerant amount
proper?
YES
Check the inter-unit wiring and piping
between the indoor and outdoor units.
Is wiring and piping
connection matched?
YES
CHECK 9 Refer to P.202.
178
NO
NO
ESIE12-06
Collect refrigerant and recharge
a proper amount of refrigerant
after vacuum drying.
Match wiring and piping
connection.
CHECK 9
Check the refrigerant piping
system for clogging.
Service Diagnosis