Trouble Shooting; Trouble Shooting According To Warning Indication - CyberPower OLS6000E User Manual

3) Set the main maintenance bypass switch from "UPS" to "BPS", switch off the
main output breaker and the main input breaker, the UPS would shut down.
4) Ensure the UPS shut down totally, remove the wanted UPS and reinstall the
new UPS parallel system by following step 1) to 9) of the last chapter- "How to
install a new parallel UPS system".
5) If the removed UPS or the remained UPS will be used in a stand-alone mode,
then J1 and J2 on the terminal block should be connected with a short
connection wire.
6) Switch on the main input breaker and the main output breaker, and set the
main maintenance bypass switch from "BPS" to "UPS", then set the UPS own
maintenance bypass switch from "BPS" to "UPS" and screw the maintenance
cover plate back again. Press the button
start to turn on, after turning on, the UPS should work parallel in the Line
mode.

7. Trouble Shooting

If the UPS system does not operate correctly, first check the operating information
on the LCD display. Please attempt to solve the problem using the table below. If
the problem still persists, consult your dealer.
7.1. Trouble Shooting According to Warning
Indication
Problem Displayed
EPO active
Maintain on
Battery open
Fan warning
Possible cause
EPO connector is open Check the EPO connector status.
Maintain bypass switch
is open
Battery is disconnect
Fan blocked or
disconnected
of one UPS, each UPS would
Remedy
Check the maintain bypass switch
status.
Do the battery test to confirm;
Check the battery bank is connected
to the UPS;
Check the battery breaker is turn on
Check the fan status
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