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MS-SVU0013-EN
MS-SVU0013-EN.p65
Troubleshooting
Before calling for service, please
check the following.
The air conditioner does not
operate at all:
- Check if the control ON/OFF
switch is "OFF". Turn the switch
to ON.
- Check whether the fuse has been
blown or circuit breaker thrown.
Set the ON/OFF Control Switch
to OFF, and turn on the circuit
breaker or replace to a new fuse.
- Check whether the power supply
is interrupted. Wait until the power
is resupplied and then operate the
air conditioner.
15
Cooling is insufficient:
- Check whether the air filter is
clogged. Clean it.
- Check whether the thermostat
setting is too high. Set the
thermostat to lower temperature.
- Check whether windows or doors
are opened. If opened, close it.
- Check whether there are sources
of heat in the room, cooling is less
effective.
- Check whether the return air grille
or the supply air grille on the
indoor unit and outdoor unit are
blocked. If they are blocked,
remove obstacles to make air
passage clear.
- Check whether the fan speed is
set at low. Set the fan switch from
"LOW" to "MED" or "HIGH".
20/7/2007, 11:52AM
15
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