MSW S-POWER UPS 800 PSW Manual De Instrucciones página 101

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TROUBLESHOOTING
Problem
Unit shuts
down
automatically
during startup
process.
No response
after power on.
Mains exist but
the unit works
in battery
mode.
When the unit
is turned on,
internal relay is
switched on
LCD/LED/Buzer
LCD/LEDs and
buzzer will be
active for 3
seconds and
then complete
off
No indication
Input voltage is
displayed as 0 on
the LCD and
green LED is
flashing.
Green LED is
flashing.
Green LED is
flashing.
LCD display and
LEDs are
flashing.
EN
Possible cause
The battery
voltage is too low
(<1.91V/cell).
1. The battery
voltage is far
too low
(<1.4V/cell).
2. Battery polarity
is connected
reversed.
Input protector is
tripped.
Insufficient quality
of AC power (shore
or generator).
Set "Solar first" as
the priority of
output source.
Battery is
disconnected.
Solution
1. Recharge batter.
2. Replace battery.
1. Check if batteries
and the wiring
are connected
well.
2. Recharge
battery.
3. Replace battery.
Check if Ac breaker
is tripped and AC
wiring is connected
well.
1. Check if AC wires
are too thin
and/or too long.
2. Check if generator
(if applied) is
working well or if
input voltage
range setting is
correct
(UPS→Appliance).
Change output
source priority to
Utility first.
Check if battery
wires are connected
well.