Инструкция иБП SVEN RT-500

ENG

UPS for prolonged

power supply

6. TROUBLESHOOTING

Solution

Problem

Cause

1. The button k is not pressed.
2. Input fuse has come into action.
3. Unreliably connected cables.

The UPS is connected
to the mains, but the
indicator does not
light.

1. Press button k.
2. Switch off the load. Press the fuse
button. If the UPS operation is
normal, check the load power.
3. Check cable connections to
batteries.

The UPS beeps and
operates in the
off-line mode even
with normal voltage in
the mains.

1. The UPS found depressions or
surges in input voltage and has
gone to the standby mode.
2. Input fuse has come into action.
3. Poor contact in the UPS connec-
tion circuits to the mains.

1. It is normal phenomenon. The UPS
protects the equipment against
voltage disorders of the mains.
2. Disconnect the load. Press the
fuse button. If the UPS operation is
normal, check the load capacity.
3. Check the UPS connection
reliability to the mains.

The UPS operates
from the mains, but
does not operate in
the off-line mode.

1. Batteries are discharged greatly.
2. Defective batteries.
3. The UPS is to be repaired.
4. Unreliably connected cables.

1. Disconnect all equipment and
charge batteries in full.
2. Replace batteries.
3. Consult with the service center.
4. Check cable connections to
batteries.

Decrease the connected load power.

Overload.

The UPS beeps long
during operation from
the mains.

1. Batteries are discharged greatly.
2. Defective batteries.
3. Unreliably connected cables.

1. Charge batteries in full.
2. Replace batteries.
3. Checkt the connection reliability of
cables to batteries.

The UPS does not
provide the expected
time of operation in
the off-line mode or it
is switched off.

If none of the above methods can solve the problem, please seek professional advice at your
nearest service center. Never attempt to repair the product yourself.

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