SMARTZONE UPS USER MANUAL
97
Appendix B: Troubleshooting
If the UPS is not properly functioning, it may be related to improper installation, wiring or
operation. Follow the troubleshooting procedures below as a first pass analysis of the
problem.
No.
Problem
Possible reason
Solution
1
The source is
connected but the
UPS will not power
ON.
Input power source is
not providing power.
Input voltage and/or
frequency is too low or
too high.
The input breaker of the
UPS is not turned ON (if
applicable).
With a multimeter measure the
source voltage and frequency
connected to the UPS input to
ensure it is in the input range of the
UPS.
Check that the UPS input breaker is
turned ON.
2
The source is in
range, but the Normal
LED on the UPS does
not light, and the UPS
is operating in the
battery state.
The input breaker of the
UPS is not turned ON (if
applicable).
The input cable is not
securely connected.
Turn ON the input breaker.
Make sure the input cable is
securely connected.
3
The UPS does not
indicate any failure,
but there is no output
voltage.
The output breaker is
not turned ON (if
applicable).
The output cable is not
securely connected.
Turn ON the output breaker.
Make sure the output cable is
securely connected.
4
The Normal LED is
flashing.
The double conversion
UPS has been setup for
ECO mode (the UPS is
operating in the ECO
state).
This is a valid mode; ensure you
want the UPS operating in the ECO
state.
