19
INV2500-HS & INV5000-HS SERIES
OPERATING MANUAL
16.5.3
Replace the front rention panel by replacing the four Phillips
screws.
16.5.4
Turn on the DC input breaker (up position).
16.5.5
After the Output OK LED comes on, turn on the AC output
breaker (up position).
16.5.6
All green LEDs on the inverter modules should now be on,
indicating normal operation.
17.0
MAINTENANCE
No routine maintenance is required on the INV2500-HS or INV5000-HS Series
inverters except for a periodic cleaning of dust and dirt around the front fans and
rear ventilation holes. A small vacuum nozzle should be used for this.
18.0
TROUBLESHOOTING GUIDE
18.1
If you encounter difficulty in getting the inverter(s) to operate, go through the
following troubleshooting guide.
18.2
Table 18-1. Inverter Troubleshooting Guide
18.3
If none of the above actions solves the problem, call UNIPOWER Telecom at
954-346-2442 Ext. 400 for help.
Input OK LED does
Bad connection to input
Check the connection to battery; check
not come on.
battery; input breaker not
battery voltage; check that input breaker is on.
on.
Sync OK LED does
Bad connection to sync
Check that sync connection has been made
not come on for
terminals.
to all paralleled inverters with proper polarity.
No AC output;
Bad output connection;
Check output connection to load; check that
Output OK LED
output breaker not on.
output breaker is on; check that AC
does not come on.
distribution breakers are on.
No AC output.
Short circuit or overload
Remove short circuit or overload. Turn off
Output OK LED
on output.
input and output circuit breakers. Turn
is off.
input circuit breaker back on, wait for the
Output OK LED to come on, then turn the
output circuit breaker on.
No output. Both
Input battery voltage is
Check battery voltage. Recharge battery or
circuit breakers on.
below range.
install new battery. Turn the inverter back on.
Input and Output OK
LEDs off.
SYMPTOM POSSIBLE CAUSES
ACTION TO TAKE
