Before calling for service, please check the following common malfunctions
and correct it as needed.
Problem
16
BEFORE CALLING FOR SERVICE
Remedy
Cause
Unit does not
operate. Stand-
by indicator does
not light up
■
■
Plug in the power
cord
Check main fuse
□
□
Unit not connected
to power
Power failure
unit does not
operate. Stand-by
indicator lights.
Check remote
control batteries
Try to operate from
a closer distance
Start from on-unit
controls
■
■
■
Remote control
malfunctions
□
Unit does not
respond properly
to remote control
command
Check for obstruction
between unit and
remote control.
Clear if needed.
Get closer to unit
Dim lights,
fluorecents
especially
■
■
■
IR signal does not
reach unit
Distance between
remote control and
unit too large or
aimed at from
improper angle
IR receiver on-unit
exposed to strong
light source
□
□
□
Normal operation
in HEATING mode
■
Air does not
blow out from
indoor unit
De-icing protection
mode is activated
□
COOLING, or
HEATING does not
start immediately
Normal operation
for these modes
■
3-min. compressor
delayed start
□
Unit functions but
does not perform
sufficiently
■
■
Resset temperature
Consult your dealer
□
□
Improper
temperature setting
Unit capacity
insufficient for
load or room size
