Malfunction Analysis - d2itsu DS-9UIDN Manual De Instrucciones

Malfunction analysis

General phenomenon analysis
Please check below items before asking for maintenance. If the malfunction still
can't be eliminated, please contact local dealer or qualified professionals.
Phenomenon
● Whether it's interfered
● Whether remote controller
● Whether there are obstacles? ● Remove obstacles.
Indoor unit ● Whether remote controller
can't receive
remote
controller's
signal or
● Is sensitivity of remote
remote con-
troller has no
action.
● No display when operating
● Fluorescent lamp in room?
● Air inlet or air outlet of indoor
● Under heating mode, indoor
No air
emitted from
● Heating mode is turned on
indoor unit
Check items
severely (such as static
electricity,stable voltage)?
is within the signal receiving
range?
is pointing at the receiving
window?
controller low; fuzzy display
and no display?
remote controller?
unit is blocked?
temperature is reached to set
temperature?
just now?
● Pull out the plug. Reinsert the
plug after about 3 min, and
then turn on the unit again.
● Signal receiving range is 8m.
● Select proper angle and point
the remote controller at the
receiving window on indoor
unit.
● Check the batteries. If the
power of batteries is too low,
please replace them.
● Check whether remote
controller appears to be
damaged.
If yes, replace it.
● Take the remote controller
close to indoor unit.
● Turn off the fluoresent lamp
and then try it again.
● Eliminate obstacles.
● After reaching to set
temperature, indoor unit will
stop blowing out air.
● In order to prevent blowing
out cold air, indoor unit will
be started after delaying for
several minutes, which is a
normal phenomenon.
15
Solution