APC ACPA4000 User Manual
NetworkAIR ACPA4000
38
Troubleshooting
Problem
Possible cause
Corrective action
Equipment does not
respond
respond
Main power is off.
Check building fuse or circuit breaker.
Equipment is not
plugged in.
plugged in.
Securely insert the plug into the outlet.
LCDI power cord has
tripped.
tripped.
If the green LED on the back of the LCDI plug
is not on, press the RESET button on the plug.
If the LED does not light, replace the power
cord.
is not on, press the RESET button on the plug.
If the LED does not light, replace the power
cord.
Equipment circuit
breaker has tripped.
breaker has tripped.
Reset the circuit breaker (located above the
power cord receptacle on the rear of the
equipment).
power cord receptacle on the rear of the
equipment).
Poor cooling performance
Air exhaust or intake is
blocked.
blocked.
Clear all objects away from air grills; move the
equipment away from the wall.
equipment away from the wall.
Air filters are dirty.
Clean or replace air filter.
Heat load is beyond
equipment capacity.
equipment capacity.
Additional cooling capacity required.
Fan speed is too low.
Increase fan speed.
Noise or vibration
Surface is not level.
Place equipment on a level surface, away from
obstructions.
obstructions.
Equipment starts and
stops
stops
Air exhaust duct is not
attached properly or is
blocked.
attached properly or is
blocked.
Check exhaust duct.
Alarm condition