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Operation Manual
6. TROUBLESHOOTING
Problem
The UPS is connected
to the mains, but the
indicator does not
light.
The UPS beeps and
operates in the
off-line mode even
with normal voltage in
the mains.
The UPS operates
from the mains, but
does not operate in
the off-line mode.
The UPS beeps long
during operation from
the mains.
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.
Cause
a
1. The button
is not pressed.
p
2. Input fuse
has come into
action.
3. Unreliably connected cables.
1. The UPS found depressions or
surges in input voltage and has
gone to the standby mode.
p
2. Input fuse
has come into
action.
3. Safety fuse burned out.
4. Poor contact in the UPS connec-
tion circuits to the mains.
1. Batteries are discharged greatly.
2. Defective batteries.
3. The UPS is to be repaired.
4. Unreliably connected cables.
Overload.
1. Batteries are discharged greatly.
2. Defective batteries.
3. Unreliably connected cables.
RESERVE-500\ 1000
Solution
1. Press button
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.
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. Disconnect the load. You will replace
the fuse of that face value.
4. Check the UPS connection
reliability to the mains.
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.
1. Charge batteries in full.
2. Replace batteries.
3. Checkt the connection reliability
of cables to batteries.
Technical support: www.real-el.com
ENG
a
.
7
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