www.pulsar.pl
PSBEN3024C
19
9. PSU FAILURE CODES.
LED indication
Failure
code
EXT
OVL
AC
PSU
APS
Acoustic
indication
Technical
outpust
actvation
Fault description
Causes
F01
-
-
-
-
-
1 beep
per 10s
EPS FLT
Battery-assisted
operation
- No AC mains
supply
- Faulty main fuse
F
MAIN
F02
-
-
ON
twinkles
-
ON
PSU FLT
PTC polyswitch
activation at the
AUX output
- Overloaded AUX
output
F03
-
-
ON
-
twinkles
ON
APS FLT
Blown fuse of the
battery F
BAT
- Short circuit in the
battery circuit
- Short circuit in the
AUX output circuit
- Overloaded AUX
output
F04
-
ON
ON
ON
-
ON
PSU FLT
-
- Overloaded AUX
output
F05
-
-
ON
-
ON
1 beep
per 10s
APS FLT
Faulty battery*
- Drained battery
- Undercharged
battery
- Unplugged battery
F06
-
-
ON
1 flash
-
ON
PSU FLT
Too high output voltage
- Output voltage
>29,4V
F07
-
-
ON
2 flashes
-
ON
PSU FLT
Too high battery
voltage*
- Battery voltage
> 28V
F08
-
-
ON
3 flashes
-
ON
PSU FLT
Battery charging circuit
failure
- Too low output
voltage of the PSU,
set <26V
- Fault in the battery
charging circuit
F09
-
-
ON
4 flashes
-
ON
PSU FLT
Too low output voltage
- Output voltage
<23,6V (during buffer
operation)
F10
-
-
-
-
ON
2 signals
per 10s
APS FLT
Too low battery voltage
- Battery voltage
drops below 23V
(during battery-
assisted operation)
F11
-
-
-
-
ON
Fast
audible
signals
APS FLT
PSU disconnection
caused by battery
discharge
- Battery voltage
drops below 20V
(during battery-
assisted operation)
F12
ON
-
-
ON
-
ON
PSU FLT
Activation of the EXT IN
collective failure input
-
F50
-
-
-
ON
-
ON
PSU FLT
Internal damage of the
PSU
-
F51
-
-
-
ON
-
ON
PSU FLT
Error in setting memo
-
F60
-
-
-
-
-
-
-
No communication
Broken cord between
the PSU and the
display
F61-64
-
-
-
-
-
-
-
Desktop fault
-
F65
-
-
-
-
-
-
-
-
Password unblocking
procedure
* failure indication only during a battery test
