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GENERAL PRECAUTIONS
1 .Before using it, read all instructions and markings:
(1) UPS (2) the batteries (3) this manual
2. Do not expose it to rain, snow or liquids of any type. It is designed for indoor.
3. Do not disassemble it. Take it to a qualified service center when service or repair is required.
4. To prevent the risk of electric shock, disconnect all wiring before attempting any maintenance
or cleaning. Turning off the unit will not reduce this risk.
5. Input/output AC wiring must be no less than 16 AWG gauge copper wire and rated for 75 °C or
higher.
PERSONNEL PRECAUTIONS
1 .Have plenty of fresh water and soap nearby in case battery acid contacts skin, clothing or eyes.
2. Avoid touching eyes while working near batteries.
3. NEVER smoke or allow a spark or flame in vicinity of a battery.
4. Remove personal metal items such as rings, bracelets, necklaces, and watches when working
with batteries. Batteries can provide heavy short-circuit current, enough to make metal melt
and causes severe burn.
5. If a remote or automatic generator start system is used, disable the automatic starting circuit
or disconnect the generator to prevent accident during servicing.
FOLLOW STANDARD.
EN 60950-1:2006+A2:2013+A11:2009+A1:2010+A12:2011
EN 55022:2010. EN 55024:2010. EN 61000-3-3:2008
LED/Buzzer
LCD
Explanation / Possible cause What to do
Buzzer beeps
And red LED is
off
Battery voltage is too Low.
Charge the unit at least 8 hours.
Over load.
Decrease your load.
Buzzer beeps
continuously
and red LED is
on.
Fault code 02
Temperature of machine is
too high.
Power off and waiting for
minutes.
Fault code 03
battery voltage is too high. Check the battery specifications.
Fault code 04
battery voltage is too low.
Check the battery specifications.
Fault code 05
Output short circuited.
Remove your load and restart.
Fault code 06
Inverter output voltage is
high.
Return to repair center.
Fault code 07
Over load.
Decrease your load.
Fault code 11
Main relay fault.
Fault code 41
Input voltage too low.
Fault code 42
Fault code 42
Fault code 44
Input voltage too high.
Input frequency too low.
Input frequency too high.
Check input power.
Output short circuited.
Output voltage is too low.
Check if wiring is connected well
and remove abnormal load.
Decrease your load.
Fault code 51
Fault code 58
Fault code 45
Restart the machine. If it still
can’t work, please return to
repair center.
AVR fault.
Restart the machine. If it still
can’t work, please return to
repair center.
Blink load ICON
Blink battery ICON
COMMUNICATION
Refer to User Guide of PowerMonitor.
TROUBLE SHOOTING
If machine enters into fault mode, please remove input power. And according to the table, deal
with the following problems.
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Содержание EW20-750VA Pro
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