Daikin SkyAir RZQ200 · 250C7Y1B Service Manual page 177

Diagnosis by Remote Controller
Troubleshooting
166
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Have 2
YES
minutes and over passed
since the "U9"code was
indicated?
NO
Start operation of all the
indoor units.
The "UA"
code blinks in the
YES
remote controller of the
other unit in the same
refrigerant
circuit.
NO
The "A1"
code blinks in the
YES
remote controller of the
other unit in the same
refrigerant
circuit.
NO
The "A9"
code blinks in the
YES
remote controller of the
other unit in the same
refrigerant
circuit.
NO
The "U4"
code blinks in the
YES
remote controller of the
other unit in the same
refrigerant
circuit.
NO
SiBE26-701
Make judgment again based on
the indication after 2 minutes and
over have passed.
Go on to the "UA" troubleshooting
Go on to the "A1" troubleshooting
Go on to the "A9" troubleshooting
Go on to the "U4" troubleshooting
Go on to the "U5" troubleshooting
Troubleshooting