Faults Reference Code; Warning Indicator - PowerWalker VFI 1000 LCD Manuel

Bypass mode When input voltage is within acceptable
range but UPS is overload, UPS will enter
bypass mode or bypass mode can be set
by front panel. Alarm is sounding every
10 second.
Standby mode UPS is powered off and no output supply
power, but still can charge batteries.

3-7. Faults Reference Code

Fault event
Bus start fail
Bus over
Bus under
Bus unbalance
Inverter soft start fail
Inverter voltage high

3-8. Warning indicator

Warning
Low Battery
Overload
Battery is not connected
Over Charge
Site wiring fault
EPO enable
Over temperature
Charger failure
Out of bypass voltage range
NOTE: "Site Wiring Fault" function can be enabled/disabled via software. Please check
software manual for the details.
Fault code Icon Fault event
01 x Inverter voltage Low
02 x Inverter output short
03 x Battery voltage too high
04 x Battery voltage too low
11 x Over temperature
12 x Over load
Icon (flashing)
14
Fault code
13
14
27
28
41
43
Alarm
Sounding every second
Sounding twice every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
EN
Icon
x
x