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Operation
(continued)
Alarm
When the water tank is full, the unit will display the message "E4" on its screen. To resume
normal function, turn the unit off, remove the drainage plug and drain the excess water from
the unit. Replace the plug and turn the unit on to begin cooling.
Maintenance
Periodic maintenance extends the unit's lifespan and permits maximum operating efficiency.
Cleaning the Air Filters
It is important to keep the air filters clean and free of dust. When the filters are dirty or clogged with dust, it decreases cooling efficiency and can
threaten air quality. Tripp Lite recommends cleaning the filters at least once every two weeks.
Before cleaning the filters, turn the unit off and unplug it! There is a risk of electric shock while the unit is plugged in.
1. Turn the unit off and unplug it.
2. Remove the filters
by sliding them out of the cabinet.
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3. Wash the filters in warm water with a neutral detergent. Do not put the filters into a
dishwasher or use harsh detergents or chemicals. Allow the filters to air dry completely after
washing. Note: Do not use water hotter than 104° F (40° C) to clean the filters.
4. Replace the filters by sliding them back into their original position.
5. Plug the unit in and resume normal operation.
Cleaning the Cabinet
Before cleaning the cabinet, turn the unit off and unplug it! There is a risk of
electric shock while the unit is plugged in.
1. Turn the unit off and unplug it.
2. Wipe the unit with a dry, non-abrasive cloth. Do not use gasoline, benzene, thinners or other
harsh chemicals that may damage the surface. Do not pour water directly over the unit or
into the working parts. This causes a risk of electrical shock and deterioration of electrical
components and wiring insulation.
3. In extreme cases, wipe the unit with a damp cloth to remove residue.
Troubleshooting
Review the possible solutions below. If the problem persists, please visit www.tripplite.com/support for service.
Problem
The unit does not function.
Cooling performance is unsatisfactory.
The unit leaks water.
The unit generates excessive noise or
vibration.
The unit has ice or frost buildup.
Possible Cause
The unit is turned off.
The unit is not plugged in.
Main power is off.
The air exhaust or intake is blocked.
The temperature setting is too high.
The fan speed setting is too low.
The air filters are dirty.
The wattage of the rack enclosure, the size of the room or the
ambient temperature exceeds the cooling capacity of a single
unit.
The drainage plug is not installed.
The unit is on an uneven or unstable surface.
The unit is operating in an environment with excess humidity.
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Possible Solution
Turn the unit on. (See "Operation" section.)
Plug the unit into a suitable outlet.
Check fuses or circuit breaker.
Confirm that all ducts and intakes are clear of obstructions.
Adjust the temperature setting.
Adjust the fan setting.
Clean the air filters.
Install additional units or contact Tripp Lite for additional cooling
solutions suitable for your application.
Insert the drainage plug in the drainage outlet. (See "Installation"
section.)
Move the unit to a level, stable surface.
OPTION 1: Turn off the unit, and let the unit defrost. Once
defrosted, ensure the unit is operating with the fan speed set
on HIGH.
OPTION 2: Turn off the unit, and let the unit defrost. Once
defrosted, operate the unit in DEHUMIDIFY MODE, or increase
the desired temperature setpoint.
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