ENG
19
Operation Manual
AVR PRO LCD
Attention! It is recommended to switch off the AVR and every connected consumer-device
when the power supply is dropped.
7. PAUSE FUNCTION
•
The Pause feature is designed to protect equipment in case of frequent drops of the mains supply.
After power supply has been recovered, the AVR switches on within 6 or 180 seconds. The LED
c
lights up if this feature has been activated (On/O
ff
button
d
is in On position).
8. PROTECTION FUNCTION AGAINST HIGH AND LOW INPUT VOLTAGE, OVERLOAD AND
OVERHEAT
•
The
AVR is equipped with protection system against high and low input voltage. The load is discon-
nected automatically when the mains voltage exceeds the allowable rate. When the voltage is reco-
vered the AVR will resume operation automatically.
•
The
AVR is equipped with the transformer thermal protection system, which protects the AVR
against overloading and overheating. In AVR PRO LCD 8000/10000/12500 models the fan is
switched on when the temperature is 55°C, but at a temperature of 120°C the thermal protection
integrated in the transformer is actuated and the load is cut o
ff
(“
С
” symbol is displayed on the LED
a
). AVR PRO LCD-5000 is equipped with the thermal protection integrated in the transformer only,
which actuates when the temperature reaches 120°C. The AVR switches on automatically after
cooling.
9. TROUBLESHOOTING
1. The switch is o
ff
.
2. There is no power in the
socket.
3. The automatic fuse has
activated.
4.The load connected is too
powerful.
The AVR is out of order.
Input voltage is very unstable.
Input voltage is beyond
possible regulation range of
140-260 V.
The AVR does not start.
The AVR is in operation mode,
but there is no output voltage.
The AVR often produces
clicking sound.
The AVR has disconnected
the load. High/Low voltage
LED illuminates.
1. Press the switch once again.
2. Make sure there is electric
power supply.
3. Disconnect part of the load
and switch on the AVR again.
4. Disconnect part of the load.
If the fault is not eliminated,
please address to an authorized
service center.
The AVR is regulating output
voltage.
When the input voltage is
recovered (140-260 V), the AVR
switches on automatically.
Cause
Problem
Solution
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.
