TROUBLESHOOTING GUIDE
19
Before requesting service, please refer to the chart below for possible solutions:
SYMPTOMS
POSSIBLE CAUSE
POSSIBLE SOLUTIONS
No power
.
Power failure.
Restore the power
Line voltage too low.
Contact electrician to install new outlet.
Unit is unplugged or not completely
Insert plug all the way.
plugged in.
Unit is off.
Turn unit on.
Batteries in remote are weak or dead.
Replace remote’s batteries.
EMERGENCY/REMOTE
Slide EMERGENCY/REMOTE
switch is not set to REMOTE.
to REMOTE.
The compressor does
When the unit is first plugged in
Wait 3 minutes for the unit to operate.
not turn on.
and turned on, the compressor
(no cool air)
will delay turn on for 3 minutes.
If the unit is turned off and then
Wait 3 minutes for the unit to operate.
immediately back on, the compressor
will delay for 3 minutes.
The air filter(s) is dirty or clogged.
Clean or replace filter(s).
Unit is located near a heat
When locating unit for the first time,
source (heater, stove, etc.)
make sure it is in a desirable location.
A door or window is open.
Shut door or window.
There is an obstacle in front of
Remove obstacle.
intake or indoor unit.
Thermostat is set too high.
Set thermostat lower.
Strange sounds occur.
During operation, especially after
This is normal.
turning it on or off, refrigerant flows
inside the unit.
Strange smells occur.
The fan is bringing out the
The smell should go away shortly.
smells of the carpet, walls, etc.
No remote operation.
Batteries are weak, dead or
Replace batteries.
inserted improperly.
Remote is out of range.
Move closer to unit.
Remote not aimed at sensor.
Aim remote at sensor.
There is an obstruction between
Remove obstruction.
unit and remote.
S/N.: 3113910500
DMB-3003LH 2003.3.4 9:57 AM 페이지19
