Tescom CL115D Series, User Manual, Page: 19 / 38

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And see the front panel lamps on
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Turn on battery switch (S3)
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Check that there is no alarm on front panel
Switching Off The UPS From On (Normal Operation) Position
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Press power button and wait until you hear an intermittent buzzer sound, at his moment the load is
transferred to bypass
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Release the power button. UPS will be turned-off after 3 seconds.
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Turn off all switches.
Transferring the load to bypass manually from On (Normal Operation) Position
In commands menu go to <ENT>BYPASS submenu and press ENTER button; the load will be transferred to
bypass without interruption. After transfer the message will be changed to <ENT>START
Transferring the load to maintenance bypass from On (Normal Operation) Position
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Power off the UPS by using power button as described above. This way, the load will be transferred to
bypass automatically.
(You can also transfer the load to bypass supply using COMMAND MENU as described above)
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On the rear panel of the UPS, turn on the maintenance bypass switch (SW5) (1 position)
Note that a blocking metal piece must be removed to operate the maintenance bypass switch and
this should be done only by service technician.
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Turn off all other switches (S1, S2 and S3)