Daikin REMQ8PY1 [364/491] Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred

Daikin REMQ10PY1 [364/491] Caution be su re to t u rn off power s witch b efore connect or di s connect connector or p a rt s d a m a ge m a y b e occ u rred
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NO
NO
YES
YES
NO
YES
YES
Connect the power supply wire
for the outside control adapter to
5V supply line.
Replace the outdoor unit main
PC board.
Check if
the power supply
wire for the outside control
adapter is connected
to 5V supply
line.
Replace the PC board of the
outside control adapter.
Replace the outdoor unit main
PC board.
NO
YES
NO
Correct the connecting wiring
with the outside control adapter.
Diagnosis Flow 1
Supply power to the outdoor
unit.
Check if
power is supplied to the
outdoor units.
Check if the
normal condition
monitor LED for the outdoor
unit PC board
blinks.
Check if the
normal condition
monitor LED for the outside
control adapter
blinks.
Check 3 Check 4
Check if
any disconnection or
connection error is detected in
connecting wires with
outside control
adapter.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.

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