Daikin REMQ16PY1 [373/491] 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 REMQ14PY1 [373/491] 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
YES
YES
YES
NO
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Diagnosis Flow 3
Diagnosis Flow 4
Replace the main PC board of the
outdoor unit.
Check the model of the outdoor
unit.
Correct the setting to reset the
power.
Replace the spare parts PC board.
Check if
the unit is not
connected to outdoor
units of different
models.
Check if
the outdoor unit PC
board is replaced with PC
board for spare
parts.
Check if
the spare parts PC
board setting is correct.
Check 3
Check 3 Check 4
Check 4
NO
YES
Is
a correct
substitute PC board
procured?
Replace it with the correct
substitute PC board.
NO
YES
Correct the connection wirings.
Replace the main PC board (A1P).
The
connection wiring
of multi outdoor units is
broken or disconnected.
YES
NO
Is a single unit of model
REMQ installed?
Procure the correct model of unit.
(The REMQ model is dedicated to
multi connections.)

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