Daikin VRV S RXQ4/5ARV1 Service Manual page 314

Troubleshooting by Error Code
RXMQ6/8AR
308
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
The contents of individual
failures vary with sub code.
Ensure the sub code, and
then go to the following:
U3-02
U3-03
U3-04
U3-05
U3-06
U3-07
U3-08
U3-10
SiAF332111E
Conduct the test operation.
(Test operation failed due
to indoor unit error.)
Conduct the test operation.
(The test operation has not
been conducted.)
Check for the refrigerant
piping, and then conduct
the test operation.
Conduct the test operation
(due to the premature end
of the test operation).
Conduct the test operation
(due to the premature end
of the test operation).
Check for transmission
between indoor and
outdoor units, and then
conduct the test operation.
Check for transmission
between indoor and
outdoor units, and then
conduct the test operation.
Conduct the refrigerant
auto charge operation.
(The refrigerant auto
charge operation has not
been conducted.)
Part 6 Service Diagnosis