Chapter 8; Section 8.1. Figures And Tables - DSPM Defender Micro Maintenance Manual

8. APPENDIX
8.1. FIGURES AND TABLES
Problem
No LEDs lit on Display panel.
Alarm buzzer beeps continuous-
ly when AC supply is normal.
When power failure, backup time
is short.
Communication lost between
UPS and computer.
Mains normal but red and green
LEDs are flashing
Available time of batteries is too
short.
If any abnormal situations occur that are not listed above, please call for service immediately.
Troubleshooting
Possible Reasons
Battery/ies voltage too low.
Battery/ies defect
Power switch is not engaged/
Overload of the UPS.
Overload of the UPS.
Battery voltage is too low.
Battery defect.
Software is not installed well.
Cable is not properly connect-
ed
Breaker is trip.
Input power connections are
loose.
Batteries haven't been
charged.
Emergency Lighting Inverter
System is overloaded.
Batteries are aged and need to
be replaced.
The charger is out of order.
Title: Micro
Doc No.: 074-1000-02
Description: Emergency Lighting Inverter Maintenance Manual
Charge battery/ies up to 8-hours.
Replace with the same type of battery.
Press the power switch again.
Turn off Emergency Lighting Inverter System, take
off all load to make sure there are no problems on it
or any internal short circuits. Verify that the load
matches the UPS capability specified in the specs.
Contact DSPM Inc. for service or help.
Remove some noncritical load.
Charge battery 8 hours or more.
Replace with the same type of battery.
Check the setting of the software.
Check the USB cable is firmly connected to the
computer and confirm the setting again.
Reset the breaker.
Secure Utility Feed wires to the input terminal
block
Check out batteries part of the Emergency Lighting
Inverter System, make sure they are well connect-
ed. Keep Emergency Lighting Inverter System "ON"
for over 20 hours to recharge the batteries. If they
will not charge or there is any damage to batteries,
contact DSPM immediately.
Table 3
Rev: NR
Solutions
Page#: - 32 -
1.877.377.6769
Date: 07/26/2016
Fax: 909.930.3335