Daikin VRVII - Page 327

Troubleshooting by Indication on the Remote Controller
322
Troubleshooting
Check the LED lamps
for “Check 3”
corresponding to the
error code “
UA” and for
Check 4 in the monitor
mode.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
To Diagnosis
Flow 1
(Excessive
number of indoor
units connected)
Check 3 Check 4
To Diagnosis
Flow 2
(Connection of
erroneous
models of indoor
units)
Check 3 Check 4
To Diagnosis
Flow 3
(Combination
error of outdoor
units)
Check 3 Check 4
Check 3 Check 4
To Diagnosis
Flow 4
(Defective wiring
in units dedicated
to multi
connections)