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ENG
Automatic Voltage Regulator
• Before installing the AVR, please make sure that total power of all consumers is lower than
AVR power. Besides, take into account the starting load and power factor of consumers,
it is necessary to apply power margin factor of 1.2–1.5; it should be 1.5–2 for such
equipment as air conditioners, fridges, etc.
• Connect the necessary equipment to the power outlet (s) of the stabilizer.
• Connect the regulator to the power network of 230 V.
• Turn on the stabilizer. When the built-in LED lights up the key, and LED light up: for a short
period to test, “Regulating” and “Protection”, constantly, “Working”.
• When the self-test is complete LED “Protection” will go out and voltage connection to the output
receptacles will happen. If the LED “Protection” at the end of the test did not go out, it is prohibited
to operate the regulator to eliminate the problem.
• “Regulating” LED will light when the regulator to increase or decrease in the input voltage.
• In case of overload or short circuit the thermal fuse is ready installed on the rear wall
is triggered. Turn on the stabilizer after removing the cause of the overload by pressing
the power button.
• When voltage input is more than 285 V or below 170 V regulator will disconnect the load.
“Protection” LED will light up.
• “Protection” indicator will light up in case of overheating auto-transformer, protection will
work. The load deenergises. After cooling down auto-transformer load power is restored au-
tomatically.
6. TROUBLESHOOTING
Problem
Cause
Solution
1. Turn on the switch.
2. Make sure there is input
voltage.
3. Disconnect a part of load.
Turn on the protective fuse.
The stabilizer does not turn
on voltage.
1. Switch is off.
2. There is no voltage
in the mains socket.
3. Excessive load is
connected. Triggering of
protection fuse.
1. Test curcuit crash.
2. Overheating
of the autotransformer.
Stabilizer turned on wherein
the light does not go out
“Protection” and there is no
output voltage.
1. Switch the AVR off
and on again. If the problem
is not solved, address
a service center.
2. Wait until the product
cools down.
Voltage regulator keeps
clicking with constant
blinking of “Regulating” LED.
Input voltage is very
unstable.
It is normal. The AVR
is regulating the output
voltage.
Stabilizer disabled load.
“Protection” and “Regulating”
indicators are on.
The input voltage is too
low/high.
When the input voltage
reaches 170–285 V, the AVR
will resume its operation.
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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