Troubleshooting
SiMT041311E
131
Service Diagnosis
2.6
Air is not humidified enough.
Supposed
Causes
Hose length is not set.
Improper setting for hose length
Air is short-circuited at outdoor unit.
Clogged air supply filter
Insufficient heat insulation of duct
Indoor ventilation is made too often.
Ceiling is very high.
Troubleshooting
Correct the length within
the specified length.
Explain to the user.
Reset the hose length by
remote controller.
Clean the air supply 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.
Caution
Does
the set hose length
match with the field hose
length?
Is the air supply filter
clogged?
YES
NO
NO
YES
YES
NO
YES
NO
Any breakage
or blockage on humidification
hose?
Does
the length of
humidification hose exceed
the specified length?
YES
NO
Is the
humidification hose
proper?
Does the
outdoor unit suck the
exhausted air again by
short circuit?
YES
Is the room ventilated
too many times?
Is the
ceiling too high for
the floor size?
YES (wellhole, high ceiling)
YES (screens, consecutives room )
NO
NO (highly packed house or apartments)
NO
Explain to the user.
Confirm the humidification
performance.
Explain to the user.
NO
YES
YES
NO
Is the
set temperature too high?
Is the
outdoor temperature or
humidity extremely
low?
(R19682)
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.