Checked Items Before Maintenance - Toyotomi CTN-228W User Manual

Checked items before maintenance

General phenomenon analysis
Please check below items before asking for maintenance. If the malfunction
still can't be eliminated, please contact local dealer or qualifi ed professionals.
Phenomenon
Indoor unit can't receive
remote controller's signal
or remote controller has
no action.
Check items
Whether it's interfered
severely (such as static
electricity,stable voltage)?
Whether remote controller
is within the signal receiv-
ing range?
Whether there are obsta-
cles?
Whether remote controller
is pointing at the receiving
window?
Is sensitivity of remote
controller low; fuzzy dis-
play or no display?
No display when operating
remote controller?
Fluorescent lamp in room?
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
powe r of batterie s 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 fl uorescent lamp and
then try it again.
GB