beautypg.com

Always “on” ups systems inc, Troubleshooting – MGE UPS Systems GES-102L User Manual

Page 17

background image

Always “On” UPS Systems Inc.

17

Troubleshooting


Please follow the guidelines below for solutions to common problems:

Check UPS input plug and wiring.
Check UPS input voltage.


Please prepare the information as follows for service personnel:

UPS model number and serial number
Description of problem(s) in detail.

General Problems

Problems Possible

causes

Solution

UPS has no reaction
while AC power is
connected

Fuse/Breaker at back panel open
No AC input
UPS fault
Battery failure

Replace Fuse/Switch breaker on
Check AC power
Call for service
Call service center to replace batteries

UPS no reaction while
AC power is connected,
yet starts after pushing
power on/off switch

Breaker at back panel blown
No AC input
UPS AC detecting circuit fail

Switch breaker
Check AC power
Call for service

UPS goes into back-up
mode while connected to
AC power

Utility voltage or frequency
abnormal
UPS AC detecting circuit failure

Check AC power
Call for service

Fault LED lit

Inverter fault.
Over temperature
Battery over voltage.
DC bus fault.
Overload fault.

Call for service
Check load situation

Battery can not provide
normal back-up power in
the event of a blackout

Battery deteriorated
Batteries not fully charged
Battery charger damaged

Charge batteries and reset
If that doesn’t work call for service

After AC connected to
UPS, alarm sounds short
and fast beeps and UPS
shuts down

Abnormal utility power

Check input power



This manual is related to the following products: