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11.4 Warning Signal if Battery System Not
Connected, e.g. battery fuse failure
LED indications Warning signal LC displays Notes Operating
status /
Operating
problems
Normal
(Normal)
Battery
(On Battery)
Bypass
(Fault)
Fault
(Fault)
Bypass
mode
1 acoustic signal
every 4 s
"UPS is not
connected to
the battery"
Check battery
system;
poss.
fuse fault?
Normal
mode
1 acoustic signal
every 4 s
"UPS is not
connected to
the battery"
Check battery
system;
poss.
fuse fault?
11.5 Warning Signal for Phase Loss or Phase
Sequence Error
LED indications Warning signal LC displays Notes Operating
status /
Operating
problems
Normal
(Normal)
Battery
(On Battery)
Bypass
(Fault)
Fault
(Fault)
Phase loss;
Phase
sequence
error; bypass
1 acoustic signal
every 2 s
"utility failure
and sequence
error"
No
output
voltage; check
UPS connection
Mains failure
normal mode
1 acoustic signal
every 4 s
"utility failure"
alarm code
02 03 09
Check UPS
input cabling
Note: = LED lights up
= LED flashes