6 troubleshooting guide, Maintenance – Alpha Technologies CFR 600, CFR 600XT, CFR 1000 User Manual
Page 60
Plug in AC power cord.
Reset breaker.
Reset breaker.
Wait for voltage to
stabilize.
Wait approximately
one minute for
synchronization.
Reset breaker.
*Replace fuse.
*Clean and tighten
battery cables.
*Replace batteries.
Reduce load.
Check load for short.
6. MAINTENANCE
54
SYMPTOM
CAUSE
REMEDY
Utility power outage;
or
AC power cord
unplugged;
or
AC input circuit breaker
OFF.
and
BATTERY circuit
breaker OFF.
AC line voltage too high
or low;
or
UPS is in its
synchronization mode.
BATTERY breaker
tripped.
or
Internal charger fuse
open.
or
Loose or corroded
battery cables.
or
Bad batteries.
Overloaded output;
or
Shorted output.
No Output Power:
"LINE PRESENT" OFF
"LINE FAILURE" OFF
Unit does not
resume LINE
PRESENT operation
when power returns:
"LINE PRESENT" ON
(or flashing)
"LINE FAILURE" ON
"SERVICE" LED ON
Incorrect output
voltage:
"LINE PRESENT" ON
"LINE FAILURE" OFF
"OVERLOAD" ON
6.6 Troubleshooting Guide