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Troubleshooting
109 Liebert
®
SRC™ User Manual
10.5 Troubleshooting Table
Table 10-2 lists problems, possible causes, and a corrective action.
Table 10-2 Troubleshooting problems, causes and correction
Problem Possible Causes Corrective Action
Unit does not emit cool air
Air is not circulating properly.
• Make sure that there are not curtains, blinds,
or furniture blocking the front of the unit
.
The air filter is dirty.
•Clean the air filter once every 2 weeks. See
9.1, Cleaning the Air Filter, page 102.
The room temperature is too high.
• In summer, coolin
g the indoor air fully may
take some time. In this case, select Power
Cool to cool the indoor air quickly.
Cold air is escaping from the room.
• Make sure that no cold air is escaping
through ventilation points in the room.
The desired temperature is higher than the set
temperature.
•Set the desired temperature to a level lower
than the current temperature.
There is a heating source nearby.
• Avoid using
heat generators like electric
ovens or gas burners while the unit is
operating.
Fan Mode is selected.
•During fan mode, air blows from the unit
without cooling or heating the indoor air.
•S
witch the operation mode to cooling.
Outside temperature is too high. •The cooling effect may not be sufficient.
The fan speed cannot be
adjusted.
The Jet Mode or Auto Operation Mode is
selected.
• In
some operation modes, you cannot adjust
the fan speed. Select an operation mode in
which you can adjust the fan speed.
The temperature cannot be
adjusted.
The Fan Mode or Jet Mode is selected.
• In some operation modes, you cannot adjust
the temperature. Select an operation mode
in which you can adjust the temperature.
The unit stops during
operation.
The unit is suddenly turned off.
•The Timer Function may have timed-out,
which turns
the unit off. Check the
timer/schedule settings.
A power failure has occurred during operation.
•Wat for the power to come back. If you have
the Auto Restart function enabled, your unit
wi
ll resume in its last operation mode several
minutes after power is restored.
The indoor unit is still
operating even when the
power has been turned off.
The Auto Clean function is being operated.
• All the Auto Clean
function to continue
because it removes any remaining moisture
inside the indoor unit. If you do not want it to
continue, turn the unit off.
The air outlet on the indoor
unit is discharging mist.
The cooled air
from the unit makes mist.
•When the room temperature decreases, the
phenomenon will disappear.
Water leaks from the outdoor
unit.
In heating operation, condensed water drops
from the heat exchanger.
•This requires install
ing a drain hose under
the base pan. Contact the installer.
There is a noise or vibration.
A clicking sound cab be hard when the unit
starts or stops due to movement of the
reversing valve.
Creaking sound: T
he plastic parts of the indoor
unit creak due to sudden temperature
changes.
Flowing or Blowing sound: This is the flow of
the refrigerant through the unit.
•These are normal occurrences
. The noise
will stop.
The indoor unit gives off an
odor.
Odors (such as cigarette smoke) may be
absorbed into the indoor unit and discharged
with air flow.
• If the smell does not disappear, wash
the air
filter. If this does not work, contact service to
clean the heat exchanger.
Depending on mode, some functions may not be supported.
MFL67502030 17. 7. 13. 오오 3:05 Page 119
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