APC ACPSC3000 User Manual

Unit does not run

If you are attempting to run the cooling unit from the 
remote control, check that the batteries in the remote 
control are good.

 

Check that the unit is properly plugged into the power 
outlet.

The unit stops running 
during operation.

Check that the set temperature is lower than the room 
temperature.

The unit runs but does not 
cool.

Check that the room is closed (no doors or windows 
open).

 

Check that no heating appliance is working nearby.

 

Check and clean the air filter if necessary.

 

Check that the air inlet or outlet is not blocked.

 

Check that the set temperature is not too high.

The unit does not run and 
the Water Full indicator 
light is on.

Drain the condensate. See “Empty the condensate drain 
pan” on page 20 for more information.

 

If the unit still will not work contact APC technical 
assistance.

Error message E5 

The power supply is unstable. 

 

Unplug the cooling unit for 10 minutes. If the error still 
exists, call maintenance or the power company to 
stabilize the utility power.

Error message H8 

The condensate drain pan is full. Empty the drain pan. 
Call APC customer support if the error message is still 
displayed after the drain pan is empty.

The unit is running in Dry 
mode but produces no cool 
air.

The evaporator is defrosting. The unit will resume 
cooling when the defrosting operation is complete.

The unit is running in Cool 
mode but produces no cool 
air.

The evaporator is defrosting. The unit will resume 
cooling when the defrosting operation is complete.

The displays shows the 
Timer hours isn’t 
operating.

The Timer is not set to ON. Cancel the operation and 
reset the Timer hours.