BEFORE CALLING FOR SERVICE
Before calling for service, please check the following common
malfunctions and correct as needed.
Problem
Cause
Remedy
Unit does not
operate. Stand-
by indicator does
not light up
Unit not connected
to power
Power failure
Plug in the power
cord
Check main fuse
●
❏
❏
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Distance between
remote control and
unit too large or
aimed at from
improper angle
IR receiver on-unit
exposed to strong
light source
Get closer to unit
Dim lights,
fluorecents
especially
❏
❏
Unit does not
respond properly
to remote control
command
IR signal does not
reach unit
Check for obstruction
between unit and
remote control.
Clear if needed.
❏
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Air does not
blow out from
indoor unit
De-icing protection
mode is activated
Unit in AUTO FAN
mode
Over cooling in DRY
Normal operation
in HEATING mode
Normal operation
in DRY mode
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❏
❏
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COOLING, DRY or
HEATING does not
start immediately
3-min. compressor
delayed start
Normal operation
for these modes
❏
■
●
Unit does not
operate. Stand-by
indicator lights.
Remote control
malfunctions
The remote
control is locked
Check remote
control batteries
Try to operate from
a closer distance
Start from on-unit
controls
Perform reset operation
by pressing buttons:(11)(12)
(17)(18) for 5 sec.
Unlock the remote control
❏
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❏
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Unit functions but
does not perform
sufficiently
Improper
temperature setting
Unit capacity
insufficient for
load or room size
Reset temperature
Consult your dealer
❏
❏
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Filter indicator
lights up
Air filter needs
cleaning.
Clean filter,
reinstall and
reset indicator
❏
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