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5.1 Troubleshooting
1
When the UPS is started using button
(24), all the LEDs go ON once and the
buzzer beeps once, then LED (26)
remains ON.
2
Button (24) and LEDs (25) and (26) are
ON and all the LEDs on bargraph (20)
flash.
Button (24) and LED (27) are ON and
3
all the LEDs on bargraph (20) are
flashing.
4
LED (27) is ON and all the LEDs on
bargraph (21) are flashing.
LED (27) alone is ON and the buzzer
5
sounds continuously.
Troubleshooting a UPS equipped with the HotSwap MBP module
6
The load is no longer supplied when
the rotary switch (49) on the
HotSwap MBP module is set to
Bypass position.
7
The load is no longer supplied when
the rotary switch (49) on the
HotSwap MBP module is set to
Normal position.
The load is no longer supplied after
8
AC-power fails.
If a fault leads to UPS shutdown, press the ON/OFF button (24) to clear the fault.
Indication
Indication
Diagnostic
The remote power off (RPO)
contact has been activated to shut
down the UPS and now prevents
restart.
The percent load is greater than
the set overload level or UPS
capacity.
A critical overload has occurred
on the UPS output. If AC input
power fails, the load will not be
supplied in battery mode.
A battery fault has been detected
during the automatic test.
A UPS internal fault has occurred
and the load is not supplied.
Diagnostic
The protected devices are
connected to the UPS output
instead of to the HotSwap MBP
module.
The AC-power cord is connected
to the UPS input instead of to the
HotSwap MBP module.
The UPS is shut down.
The wiring between the UPS and
the HotSwap MBP module is
incorrect.
The rotary switch (49) on the
HotSwap MBP module is set to
Bypass position.
The wiring between the UPS and
the HotSwap MBP module is
incorrect.
5. Maintenance
Correction
Set the contact back to its normal
position and press button (24) to
restart.
Check the power drawn by the
connected devices and disconnect
any non-priority devices. Check
the overload level setting.
Check the power drawn by the
connected devices and disconnect
any non-priority devices.
Replace the battery module (see
section 5.2, Battery-module
replacement).
Call the after-sales support
department.
Correction
Check the wiring between the UPS
and the HotSwap MBP module
(see section 2.6).
Start the UPS.
Check the wiring between the
UPS and the HotSwap MBP
module (see section 2.6).
Set the rotary switch (49) on the
HotSwap MBP module to Normal
position.
Check the wiring between the
UPS and the HotSwap MBP
module (see section 2.6).
34008236EN/AC - Page 17
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