Malfunction Analysis; General Phenomenon Analysis - Toyotomi TRN-828ZR User Manual

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
Indoor unit can't receive
remote controller's signal
or remote controller has no
action.
No air emitted from
indoor unit.
Check items
Whether it's interfered seve-
rely (such as static electricity,
stable voltage)?
Whether remote controller
is within the signal receiving
range?
Whether there are obstacles?
Whether remote controller
is pointing at the receiving
window?
Is sensitivity of remote con-
troller low; fuzzy display and
no display?
No display when operating
remote controller?
Fluorescent lamp in room?
Air inlet or air outlet of indoor
unit is blocked?
Under heating mode, indoor
temperature is reached to set
temperature?
Heating mode is turned on
just now?
28
Solution
Pull out the plug. Reinsert the
plug after about 3min, and
then turn on the unit again.
Signal receiving range is 8m.
Remove obstacles.
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 cont-
roller appears to be dama-
ged. 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 temper-
ature, 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.
GB