Toyotomi KTG22-18R32, User Manual

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30
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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.
n o i t u l o S s m e t i k c e h C n o n e m o n e h P
Indoor unit
can’t receive
remote
controller’s
signal or
remote
controller
has no
action.
Ɣ
Whether it's interfered severely
(such as static electricity,stable
voltage)?
Ɣ
Whether remote controller is
within the signal receiving
range?
Ɣ Whether there are obstacles?
Ɣ
Whether remote controller is
pointing at the receiving
window?
Ɣ Is sensitivity of remote contro-
ller low; fuzzy display and no
display?
Ɣ No display when operating
remote controller?
Ɣ
Fluorescent lamp in room?
Ɣ
Pull out the plug. Reinsert
the plug after about 3min, and
then turn on the unit again.
Ɣ
Signal receiving range is 8m.
Ɣ Remove obstacles.
Ɣ
Select proper angle and point
the remote controller at the re-
ceiving window on indoor unit.
Ɣ Check the batteries. If the
power of batteries is too low,
please replace them.
Ɣ Take the remote controller
close to indoor unit.
Ɣ Turn off the fluoresent lamp
and then try it again.
Ɣ
Check whether remote cont-
roller appears to be damaged.
If yes, replace it.
No air
emitted
from
indoor
unit
Ɣ
Air inlet or air outlet of indoor
unit is blocked?
Ɣ
Eliminate obstacles.
Ɣ Under heating mode, indoor
temperature is reached to set
temperature?
Ɣ After reaching to set temper-
ature, indoor unit will stop bl-
owing out air.
Ɣ
Heating mode is turned on just
now?
Ɣ
In order to prevent blowing
out cold air, indoor unit will be
started after delaying for sev-
eral minutes, which is a nor-
mal phenomenon.