Pulsar EN54-5A17LCD, Manual, Page: 20 / 48

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6.4.6. List of failure codes and information messages.
The PSU indicates the operation status with the appropriate code. The codes are divided into two
groups, marked with the initial letters "F" or "I”.
The codes beginning with the letter "F" indicate a failure. The codes that begin with the letter "I" indicate the
correct operation of the PSU or repaired fault, involving, for example, fuse replacement: "I03 - BAT fuse replaced”.
Table 9. List of PSU failure codes.
Failure
code
Information
Technical
output
activation
Causes
Additional
information
F01 No AC power! EPS FLT
- No AC mains supply
- Blown F
MAIN
fuse
AUX1 fuse! - Blown F
AUX1
fuse
F02
AUX2 fuse!
PSU FLT,
ALARM
- Blown F
AUX2
fuse
F03 BAT fuse!
APS FLT,
ALARM
- Blown F
BAT
fuse
- Short circuit in the battery circuit
- Short circuit in the AUX output circuit
F04
Overloaded output!
PSU FLT,
ALARM
- PSU overload
See section
6.10
F05 Undercharged battery!
APS FLT,
ALARM
- Spent batteries
- Undercharged batteries See section 8
High AUX1 voltage!
F06
High AUX2 voltage!
PSU FLT,
ALARM
- Output voltage over 29.2V
F08
Faulty battery charging
circuit! PSU FLT,
ALARM
- The output voltage of the PSU set
too low , below 26V
- Battery charging circuit failure
Low AUX1 voltage!
F09
Low AUX2 voltage!
PSU FLT,
ALARM
- Output voltage below 26V
F10
Low battery voltage!
APS FLT,
ALARM
- The battery voltage has dropped
below 23V (during battery-assisted
operation
F11
Low battery voltage –
off! APS FLT,
ALARM
- the battery voltage has dropped
below 20V (during battery-assisted
operation) See section 8.4
F12 EXT external output! ALARM
- Activation of the input of collective
failure: EXTi See section 6.6
F14
Temperature sensor
failure! PSU FLT,
ALARM
- Faulty temperature sensor
- Temperature sensor disconnected See section 8.7
F15
High battery
temperature PSU FLT,
ALARM
- Too high ambient temperature of the
PSU.
- Overloaded batteries.
- Faulty batteries. See section 8.7
F16 No battery!
APS FLT,
ALARM
- Disconnected batteries
See section 8.1
F17 Faulty battery!
APS FLT,
ALARM
- Deeply discharged batteries, voltage
below 20V See section 8
F18
High resistance of the.
Battery circuit! APS FLT,
ALARM
- Spent batteries
- Loose cables connecting the
batteries See section 8.6
F19 High AC voltage!
PSU FLT,
ALARM
- Mains supply over 254V AC
F20
Low AC voltage!
PSU FLT,
ALARM
- Mains supply below 195V AC
F21
Enclosure opening!
PSU FLT,
ALARM
See section 6.7
F50-F54
Internal damage of the
PSU. PSU FLT,
ALARM
- service codes
F60 No communication
PSU FLT,
ALARM
- no communication with LCD panel
F61-F64 LCD damage
PSU FLT,
ALARM
- service codes
F65 Access unlocked - passwords unlocked