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Try these remedies for common APS problems before calling for help. Call Tripp Lite Customer Service at (773)
869-1234 before returning your APS for service.
SYMPTOM PROBLEMS CORRECTIONS
APS does not provide APS not properly connected to Connect APS to utility power.
AC output (AC input present) utility power.
Circuit breaker is tripped. Reset circuit breaker.
APS shutdown due to excessive Turn APS “OFF”.Wait 1 minute and
battery voltage, indicating possible switch to “AUTO/REMOTE”.
charger failure. Line disconnected
to prevent permanent battery
damage.
APS is set to “OFF” Set APS to “AUTO/REMOTE” or
“CHARGE-ONLY”.
APS does not provide Circuit breaker is tripped. Reset circuit breaker.
AC output (AC input absent)
Operating Mode Switch is set Set Operating Mode Switch to “AUTO/
to “CHARGE ONLY”. REMOTE.”
Load or High Temperature fault. Turn APS “OFF”.Wait 1 minute.Remove
overload. Switch to “AUTO/REMOTE”.
Excessive battery discharge. Check battery condition.
APS will not charge the Connected batteries are dead. Check and replace old batteries.
battery (AC input present)
Battery fuse* is blown. Check and replace fuse.
Battery cabling* is loose or degraded. Check and tighten or replace cabling.
APS charger failure. Turn APS “OFF”.Wait 1 minute and
switch to “AUTO/REMOTE”. If
automatic shutdown occurs, call Tripp
Lite Customer Service.
All APS Indicator Lights are This is normal if the APS is set —
OFF (AC input absent) to “CHARGE-ONLY”
All APS Indicator Lights are Excessive battery discharge. Use an auxiliary charger* to raise
OFF (AC input is present or battery voltage. Check external battery
absent) connections and fuse. Automatically
resets when condition is cleared.
All APS Battery Indicator Excessive battery discharge. Use an auxiliary charger* to raise
Lights are slowly flashing. battery voltage. Automatically resets
when condition is cleared.
APS “LO” Battery Light Inverter shutdown because battery Reset by cycling control switch to
flashing voltage dropped too low for more “OFF” position then to “AUTO/
than 5 seconds. Protects battery REMOTE”.
from permanent damage.
All APS Battery Lights are High battery voltage shutdown Check all charging sources.Reset by
rapidly flashing during Charge mode. cycling control switch to "OFF"
then to
“AUTO/REMOTE” or “CHARGE-ONLY”.
APS “LOAD” Indicator Light Inverter overload caused by Reset by reducing load and cycling control
is rapidly flashing excessive load or short circuit. switch to “OFF” position then to “AUTO/
If sustained for more then 5 REMOTE”.
seconds the Inverter is shutdown.
*User supplied
Troubleshooting
200103046 120V APS MV-cabinetEn-Sp 93-1911.qxd 7/2/01 10:18 AM Page 13