22
www.tescom-ups.gr
USER MANUAL
AVR
11
• 1/1 • 1-500 kVA • Automatic Voltage Regulator
23
6.3. Possible Malfunctions and Troubleshootings
Malfunction Possible Causes
Troubleshooting
If voltmeter
retrieves
incorrectly
Voltmeter
Malfunctioned
If voltmeter is digital, please check the socket.
İf it is analogue, please replace with new one
Control Board
Malfunctioned
Check the neutral connections. If problem
continues, please contact with technical
service
If smell from
device
Overloaded
Check the loads on phases. Switch the device
to Line position and contact with technical
service
If device
retrieves
Voltage
incorrectly
If the device at
protection position
Check the cartridge fuse. Phase would be lost
or there is no Neutral connection or input
voltage could be out of operation range
If the device not at
protection position
Cartridge fuse burnt or damaged. Voltmeter
damaged. Please contact with technical service
If device
automatically
on and off
If the device at
protection position
Please make sure the neutral and phase
connections are correct
If the device not at
protection position
Overloaded or operational input voltage range
is out of interval
If any noise
from device
Oveloaded, Motor
connections could be
loosened
Switch the Pakoswitch to Line position and
contact to your supplier or Technical service
wit giving the required information below:
-Serial No and Power
-Malfunction Date
ATTENTION!
Only authorized technical personnel should make an intervention to the equipment.
