Daikin VRV EMERION RXYQ-AATJA, Руководство по обслуживанию, Страница: 366 / 429

Troubleshooting by Error Code SiUS342303E
359 Part 6 Service Diagnosis
YES
YES
N O
Make setting again, and then reset
the po
w er supply.
Replace the outdoor unit main
PCB (A1P).
N O
Correct the multi combination of
outdoor units.
Replace the outdoor unit main
PCB
(A1P) .
Diagnosis Flo w chart-5
Diagnosis Flo w chart-4
Is the multi
combination of
outdoor units
proper?
N O
W as the
outdoor unit main
PCB replaced w ith a
spare PCB?
Replace the outdoor unit main
PCB (A1P).
YES YES
YES YES
N O
Is the
procurement of the
spare PCB proper?
Procure a proper spare PCB.
Is the setting of the
spare PCB proper?
Error code Sub code
UA-21
Error code Sub code
UA-31