Daikin REMQ14PY1 [378/491] 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 [378/491] 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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(V2822)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
For VRV
systems, can
the
setting of central
controlgroup
No. be made in
one and
the same
refrigerant
system?
Was the
central control group
No. for indoor unit
changed?
Make correct setting of the
central control group No.
Check outdoor units to which
the refrigerant system is
connected.
Check whether or not there
are no problems with the
transmission wiring length,
types of cables and wires,
number of units connected,
and others. If no problems,
replace the indoor unit PC
board.
NO
YES
Continued to A
(on the following page)
YES
Check
the indoor
unit for which
UE
is displayed. Is the the
transmission malfunction
(UE)caused on all
indoor units?
Is
the power
supply of the indoor
unit, on which the “
UE
occurred,turned
ON?
Has the
setting of
central control group
No.been made with the
indoor unit on which
the “
UE
occurred?
NO
NO
YES
Can the
setting of central
control group No be
made?
Make sure there are no
hazardous situations, and
then turn ON the power
supply.
NO
NO
YES
YES
NO
YES
Reset the power supplies of
every central equipment.
For the intelligent Touch
controller, register the air
conditioner again while in
DIII-NET test run menu.

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