83
INSTALLATION AND OPERATING INSTRUCTIONS · HSI
EN
TROUBLE SHOOTING
Problem
LCD/LED/
Buzzer
Explanation/
Possible cause
What to do
Unit shuts down
automatically
during startup
process .
LCD/LEDs and
buzzer will be
active for 3
seconds and
then complete
off . .
The battery voltage is
too low (<1 .91 V/Cell)
1 . Re-charge battery .
2 . Replace battery .
No response
after power on .
No indication .
1 . The battery voltage
is far too low .
(<1 .4 V/Cell)
2 . Battery polarity is
connected reversed .
1 . Check if batteries and
the wiring are connected
well .
2 . Re-charge battery .
3 . Replace battery .
Mains exist but
the unit works in
battery mode .
Input voltage
is displayed as
0 on the LCD
and green LED
is flashing .
Input protector is
tripped
Check if AC breaker is
tripped and AC wiring is
connected well .
Green LED is
flashing .
Insufficient quality of
AC power (Shore or
Generator)
1 . Check if AC wires are
too thin and/or too long .
2 . Check if generator (if
applied) is working well
or check if input voltage
range setting is correct
(Appliance -> Wide)
When the unit
is turned on,
internal relay is
switched on and
off repeatedly .
LCD display
and LEDs are
flashing .
Battery is
disconnected .
Check if battery wires are
connected well .