Ups Problems Chart - Para systems MM450 User Manual

Minuteman series uninterruptible power supply
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5. Send the UPS freight prepaid to Para Systems headquarters. C.O.D. shipments will no be
accepted.
6. If repair is Para Systems' responsibility, per the warranty, there will be no repair charge. The
UPS will be repaired and returned freight prepaid, provided the UPS was returned in the
original shipping carton and foam. If other packing methods result in shipping damage, repair
will be at your expense. If the packaging is not deemed usable for UPS return, there will be a
$10 charge for a new box and foam.
7. If UPS repair is not Para Systems' responsibility, you will be advised of the estimated charges
by telephone for your authorization. Should you choose not to have the UPS repaired, there
will be repair estimate charge of $20. The UPS will be returned C.O.D. for either the repair
amount or the estimated cost, plus shipping and handling.
PROBLEM
When UPS Power Switch is
turned on, UPS stays in
Inverter mode.
UPS comes on in AC mode,
but no AC NORMAL LED
(green) and BATTERY IN USE
LED (red) blinks.
Backup time is considerably
less than expected; battery
charge condition is unknown.
Backup time is considerably
less than expected at the end
of a battery recharge cycle (8
hours), and load is verified.
UPS PROBLEM CHART
POSSIBLE CAUSE
Input fuse blown or input
breaker tripped.
No commercial power at wall
receptacle or commercial
voltage too low or too high.
DC breaker is off or tripped.
Load is greater than
estimated.
Batteries are not fully charged,
or weak.
Charger has failed, or
batteries are bad.
11
ACTION TO TAKE
Check fuses and replace if
blown, or reset breaker if
tripped.
Verify power is available and
voltage is in range.
Switch breaker off and back
on.
Check and verify connected
load.
Recharge batteries for 8 hours
and repeat backup test.
Call Para Systems for service.

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