Liebert Hipulse E - 9.7 RESET procedure following shutdown of automatic switching or emergency stop (EPO action).

Chapter 9 - Operating Instructions Liebert Hipulse E User Manual
Procedure Single or '1+N' UPS System
Page 9-10 (07/04)
9.7 RESET procedure following shutdown of automatic switching or emergency stop
(EPO action).
Once all appropriate measures have been taken to correct the problem indicated by the alarm message appearing on the
operator control panel display, carry out this procedure to restore the UPS to regular operation following an Emergency
Stop or a shutdown of automatic switching.
Automatic switching may be shut down for the following reasons: the Emergency Stop button is pressed, Inverter
Overtemperature, Cut-off Overload, Battery Over voltage, excessive switching (BYP: XFER COUNT BLOCK), etc.
Press the ENTER key
Note: In ECOMODE the message ‘LOAD ON BYPASS’ will not appear.
Select FUNCTION and press ENTER key
When the PASSWORD has been completed press the ENTER key.
Select NEXT PAGE and press ENTER key
Press the ENTER key
Select RESET ALARMS and press ENTER key
Return the Display window to normal by repeatedly pressing the ESCAPE key back through the various windows until
the default screen is displayed.
These operations resets the logic circuitry to enable the rectifier, inverter and static switch to operate normally.
Note: When the remote EPO switch has been activated it is necessary to manually close the battery circuit breaker.
WARNING
When the EPO system incorporates a trip facility of the external a.c. input power supply circuit breaker, the RESET
switch would have no affect on it. First close the external a.c. input supply circuit breaker, the UPS can be started in
the normal manner, as the logic circuits will automatically reset on return of the power supplies.
EMERGENCY STOP
LOAD ON BYPASS
INV: UNSYNCHRONIZED
HH MM SS DD MM YY
MEASUR./ALARM HIST.
> FUNCTION <
MAINTENANCE
SETUP
WRITE SAVE
MOVE EXIT ESC
ENTER PASSWORD
00000000
BATTERY TEST
GENERATOR
PANEL SETUP
> NEXT PAGE <
PROTOCOLS
ON/OFF UPS CONTROL
RELOAD UPS DATA
>RESET BUFFERS <
RESET ALARM HISTORY
RESET EVENT HISTORY
>RESET ALARMS<