Daikin VRV III RQQ8-48PY1, Руководство по обслуживанию

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Si341213 Penyelesaian Masalah Menggunakan Remote Kontrol
119 Diagnosis Servis
Penyelesaian
Masalah
Perhatian
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Press the RESET button on the
unit outdoor main PCB. Keep
pressing for 5 seconds or more.
(Operation does not start for a
maximum 12 minutes.)
Replace the indoor unit PCB.
Correct the relay wires.
Correct the voltage (400V).
Replace the fuse.
Replace the unit outdoor PCB.
Press the RESET button on the
unit outdoor main PCB. Keep
pressing for 5 seconds or more.
Correct the relay wires.
Replace the unit outdoor main
PCB.
Install DIII-Net extension adaptor.
Go on to the next page.
( LED lamp display
)
Check the detailed error
status in the monitor mode.
In
Confirmation
of error 4, LED
lamp indicates as
follows:
NO
YES
Check if
indoor unit PCB or
unit outdoor PCB has been
YES
replaced. Or check if indoor/outdoor,
outdoor/ outdoor relay wires
has been modified.
NO
Do all
the indoor remote
controllers within the same
NO
refrigerant circuit display
“
U4
”?
YES
Are the
indoor/ outdoor,
outdoor/ outdoor relay
wires normal?
YES
NO
Reset the power supply.
Does the
normal condition monitor
for the micro-computer (HAP)
on the unit outdoor PCB
blink?
YES
Does the
NO LED in preparation
mode (H2P) on the outdoor
unit PCB
blink?
YES
NO
Is the
voltage between R,
NO
S terminals on the outdoor
unit PCB 400V?
YES
Is the
fuse on the
unit outdoor PCB
blown?
YES
NO
Lights do not go
out for 12 minutes
or more.
YES
NO
Are the
indoor/ outdoor,
outdoor/ outdoor relay
wires normal?
NO
YES
Check if the
operation is normal with 1
circuit after outdoor/outdoor relay
wires are disconnected.
NO
YES