APPENDIX A: TROUBLE SHOOTING & SUPPORT
If the UPS is not functioning properly, you can refer first to this chapter for simple
troubleshooting before contacting your reseller. This could save you time and effort
but if the problem persist, then consult your service provider.
A.1.1 UPS
The LED and the acoustic signals are a profit tool to individualize immediately possible
problems
Situation
Mains normal but all
LED/LCD are not on.
Alarm buzzer beeps
continuously when Utility is
normal.
No LEDs display on the
front panel
UPS does not provide
expected backup time.
The UPS operates normally,
but the site wiring fault
indicator is lit.
Check Items
1. Is the power switch
on?
2. Check the ICS?
3. Is the power cord
loose?
1. Check the load status
1. The UPS's battery is
weak due to recent
outage.
2. The UPS's battery is
near the end of its
service life.
1. Building wiring error
such as missing ground
or hot to neutral wire
reversal.
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Solution
1. Press Main Switch
on.
2. Push the ICS button.
3. Re-connect the
power cord properly.
1. Remove some
uncritical load.
1. Contact Atlantis.
1. Charge the battery.
2. If the battery is near
the end of its service
life, you have to
replace the battery.
1. Call a qualified
electrician in order to
correct the building
wiring.
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