Daikin VRV RXYQ72-384XAYCA, Service Manual

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SiUS342004EB Troubleshooting by Error Code
Part 6 Service Diagnosis 334
Troubleshooting
Go to Diagnosis Flowchart-1.
(Transmission error when the
external control adaptor is
mo
u nted)
Ens u re the s ub code or
the lamp display of
monitor mode, and then
go to the following:
Caution
Be s u re to t u rn off the power switch b efore connecting or disconnecting
connectors, or parts may b e damaged.
Go to Diagnosis Flowchart-2.
(Transmission error when the
external control adaptor is
mo
u nted)
Error code S ub code
Error code S ub code
Error code S ub code
Error code S ub code
Error code S ub code
Error code S ub code
Error code S ub code
Error code S ub code
Go to Diagnosis Flowchart-3.
(Transmission error
b etween
master and sla v e 1)
Go to Diagnosis Flowchart-4.
(Transmission error
b etween
master and sla v e 2)
Go to Diagnosis Flowchart-5.
(M
u lti system error)
Go to Diagnosis Flowchart-6.
(Man
u al address setting error for
sla v e 1, 2)
Go to Diagnosis Flowchart-7.
(Connection 4 or more o
u tdoor
u nits to the same system)
Go to Diagnosis Flowchart-8.
(Connection of excess indoor
u nits for test operation)
U7-01
U7-02
U7-03
U7-04
U7-05
U7-06
U7-07
U7-11