GE_UPS_USM_TLE_SUL_M16_M50_2bU_V010.docx
User Manual TLE Series 160 - 500 UL S2B
Code Message Description
4303 INVERTER CANNOT BE TURNED OFF
Inverter cannot be switched OFF, because the
Load cannot be switched to Utility (voltage out of
tolerance, not synchronized, BP blocked).
The command to start the Inverter has been
activated on the control panel.
The command to switch OFF the Inverter has
been activated by the control panel or
automatically for alarm presence.
Bypass Input Utility is again within tolerance
(voltage, frequency and phase).
Disconnection of the Load by opening K6 and K7
EPO / Load Off / Overload / Stop Operation.
With the Load supplied by Automatic Bypass, a
Utility Failure or K6 opening occurred.
4534 MULTIPLE LOAD TRANSFER
2 transfers Inverter- Utility have been detected in
a short time (default 30 sec.).
Bypass is not available.
Contactor K6 is open, SSM deactivated.
Bypass is enabled.
Contactor K6 is closed.
Push-button “Load Off” on the UPS Control Panel
has been pressed, with the output circuit switch
The auxiliary contact indicates that “Q2 -
Manual Bypass” was closed.
The auxiliary contact indicates that “Q2 -
Manual Bypass” was opened.
4567 COMMAND LOAD ON UTILITY
The control unit received a command to transfer
the Load on Utility.
4568 COMMAND LOAD ON INVERTER
The control unit received a command to transfer
End of the overload condition detected with
alarm 4570.
4580 INVERTER AND UTILITY SYNCHRONIZED
The voltages of Inverter and Utility Bypass are
synchronized.
COMMAND NOT TO SYNCHRONIZE
Command not to synchronize with Utility.
Command to synchronize with Utility.
The eBoost operation mode function has been
disabled or the programmed time is expired.
The UPS returns to VFI mode supplying the Load
4601 COMMAND UPS STAND BY
The function eBoost operation mode is enabled,
and according to the time program the UPS will
run in eBoost mode, supplying the Load normally
The auxiliary contact indicates that the output
switch Q1 was opened.
The auxiliary contact indicates that the output
switch Q1 was closed.