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DSOP24V
20
5.4.7. The list of failure codes.
The power supply will indicate a failure with the appropriate code on the LED display. To identify the cause
of failure, read the code found in the list below.
Table 13. The list of failure codes.
Failure
code
Description
Activation of
technical
outputs
Causes, comments
Additional
information
F01
No AC supply
EPS
ALARM
No AC mains voltage
- The power supply fuse on the safety strip is
switched off
F02
Fuse of the OUT1..9
or the controller.
PSU
ALARM
- Blown fuse in the output circuit OUT1..9 or
the controller circuit
Section 5.7
F04
Overload the output!
PSU
ALARM
- OFF on the LED display. RESET the power
supply (turn the power off and on).
Section 5.7
F05
Undercharged
battery.
APS
ALARM
- Batteries worn out
- Undercharged batteries
Chapter 6
F06
High voltage OUT.
PSU
ALARM
- The voltage at the OUT output greater than
29.2V
F08
Failure of the
charging circuit
PSU
ALARM
- Power supply voltage too low, below 26V
- Failure in the charging circuit of the power
supply unit
F09
Low voltage OUT.
PSU
ALARM
- The voltage at the OUT output lower than
26V
F10
Low battery voltage
APS
ALARM
- The battery voltage below 23V during battery-
assisted operation
F11
Low battery voltage -
disconnection.
APS
ALARM
- The battery voltage below 20V during battery-
assisted operation
Section 6.5
F12
The EXTi external
input.
ALARM
- Activation of the input of collective failure
EXTi
Section 5.6
F14
Failure of the
temperature sensor.
PSU
ALARM
- Faulty temperature sensor
- Disconnected temperature sensor
Section 6.6
F15
Too high battery
temperature.
PSU
ALARM
- Too high ambient temperature of the power
supply.
- Batteries overloaded.
- Faulty batteries.
Section 6.6
F16
No battery.
APS
ALARM
- Unplugged batteries
Section 6.3
F17
Faulty battery.
APS
ALARM
Batteries deeply discharged, voltage below
20V
Chapter 6
F18
High resistance of
the battery circuit
APS
ALARM
- Batteries worn out
- Loose battery connection wires
Section 6.1
Section 6.2
F24
The router fuse.
PSU
ALARM
- Blown fuse in the output circuit of the router
F50-F55
Internal damage of
the power supply.
PSU
ALARM
- Service codes