PowerWalker VFD 600 IEC - Manual (Page 7)

EN
5. Indicators & Alarm Table for Operation
Conditions Visual Indicator Alarm
AC Mode Green LED lighting Off
Battery Mode Green LED flashing every 10
seconds
Sounding every 10
seconds
Low battery at battery
mode Green LED flashing every second
and Red LED lighting
Sounding every
second
Fault Red LED lighting Continuously
sounding
Alarm for over-temperature
protection Red LED flashing every 0.5 seconds Off
6. Trouble Shooting
Use the table below to solve minor problems.
Problem Possible Cause Solutions
No LED display on the
front panel. Low battery. Charge the UPS at least 8 hours.
Battery fault. Replace the battery with the same type
of battery.
The UPS is not turned on. Press the power switch again to turn on
the UPS.
Alarm continuously
sounds when the
mains is normal. The UPS is overload. Remove some loads first. Before
reconnecting equipment, please verify
that the load matches the UPS capability
specified in the specs.
UPS fault Return the unit to the service center.
Alarm sounds every 2
seconds
when the
mains is normal.
Battery defect. Replace the battery with the same type
of battery.
Charging board is damaged. Return the unit to the service center.
When power fails, back-
up time is shorten. The UPS is overload. Remove some critical load.
Battery voltage is too low. Charge the UPS at least 8 hours.
Battery defect. It might be due
to high temperature operation
environment,
or improper
operation to battery.
Replace the battery with the same type
of battery.
The mains is normal
but LED is flashing. Power cord is loose. Reconnect the power cord properly.