23
Troubleshooting
efore ang an nr or a reest for repar please he the follong
f the proble perssts onslt or ealer
Not a problem
hs ase s not a proble
Check
lease he agan before reestng
repars
The air conditioner does not operate
Case Description / what to check
OPERATION lamp is off.
as the rt breaer been trppe or the fse blon
s there a poer falre
re batteres set n the reote ontroller
OPERATION lamp is blinking.
rn off the poer th the rt breaer an restart operaton th the reote ontroller
f the lap s stll blnng he the error oe an onslt or ealer
The air conditioner suddenly stops operating
Case Description / what to check
OPERATION lamp is on.
o protet the sste the ar ontoner a stop operatng after sen large voltage
fl tatons t atoatall reses operaton n abot ntes
OPERATION lamp is blinking.
re the ar lters rt
lean the ar lters
s there anthng blong the ar nlet or ar otlet of the noor nt or otoor nt
top operaton an after trnng off the rt breaer reove the obstrton hen restart
operaton th the reote ontroller f the lap s stll blnng he the error
oe an onslt or ealer
The air conditioner does not stop operating
Case Description / what to check
The air conditioner continues
operating even after operation is
stopped.
Immediately after the air conditioner is stopped
he otoor nt fan ontnes rotatng for abot another nte to protet the sste
While the air conditioner is not in operation
hen the otoor teperatre s hgh the otoor nt fan a start rotatng to protet
the sste
The room does not cool down / warm up
Case Description / what to check
Air does not come out
In HEAT operation
he ar ontoner s arng p at for abot to ntes
rng efrostng operaton hot ar oes not fl o ot of the noor nt
When the air conditioner operates immediately after the circuit breaker is turned on
he ar ontoner s preparng to operate at for abot to ntes
Air does not come out /
Air comes out.
Is the air ow rate setting appropriate?
s the arfl o rate settng lo sh as noor nt et or rfl o rate nrease the
arfl o rate settng
Is the set temperature appropriate?
Is the adjustment of the air ow direction appropriate?
Air comes out.
s there an frntre retl ner or bese the noor nt
s the nt o are operatng or another nt rnnng n operaton
re the ar lters rt
s there anthng blong the ar nlet or ar otlet of the noor nt or otoor nt
s a no or oor open
s an ehast fan trnng
When the Need Arises