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SiBE12-908
Troubleshooting
Service Diagnosis
118
Troubleshooting
(R9682)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Are the conditions
satisfied?
YES
Confirm if the conditions where
HUMID HEAT operation can run
are satisfied. (Refer to page 22)
NO
Is the priority room set?
YES
NO
Is the other unit in
HUMID HEAT operation
or FRESH AIR SUPPLY
VENTILATION?
NO
YES
Is it the room of priority
setting?
YES
NO
Explain the conditions of
HUMID HEAT operation to
the user.
Explain to the user that the
room of priority setting is
humidified prior to the other
room.
Explain to the user that
HUMID HEAT operation or
FRESH AIR SUPPLY
VENTILATION can not be
performed simultaneously
in the both 2 rooms.
Exceeds.
It does not match.
Under specified length.
Does the each length
of humidification hose
exceed the specified
length?
Does the set hose
length match with the
each field hose
length?
It matches.
Not blocked.
Is the humidification
filter blocked?
Any breakage or blockage
on humidification hose?
Blocked.
YES
NO
NO
YES
Is the
humidification hose
proper?
Does the outdoor unit
suck the exhausted
air again by short-
circuit?
NO
How many times are
the room ventilated?
Is the ceiling too high
for the floor size?
NO
YES
Many (screens, consecutives room)
High (stairwell, high ceiling)
Continued to the next page
Small in number (highly packed house or apartments)
1
Correct it within the
specified length. Explain it
to the user.
Reset the hose length by
remote controller.
Clean the humidification
filter.
Repair breakage or remove
blockage.
Use the proper hose
specified by DAIKIN.
Improve so as not to get
short-circuit.
Explain to the user.
Explain to the user.