Pulsar EN54C-10A17LCD, User Manual, Page: 25 / 51

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7.4.5. List of failure codes and information messages.
PSU indicates operation status with appropriate code. Codes are divided into two groups, marked with
initial letters „F” or „I”.
Codes beginning with lette
r „F” indicate a failure. Codes that begin with letter „I” indicate correct operation
of PSU or repaired fault, involving, for example, fuse replacement: „I03 - BAT fuse replaced”.
Table 7. List of failure codes of power supply unit.
Failure
code
Information
Technical
output
activation
Additional information
Additional
information
F01 AC power fail!
EPS FLT
ALARM
– No AC mains supply
– Burnt main fuse F
MAIN
F02 AUX1 fuse! ALARM
– Blown FAUX1 fuse
F04 Output overload! ALARM
– PSU overload
see section 5.4
F05
Undercharged
battery!
ALARM
– Worn out battery
– Undercharged batteries
see section 6
F06 High AUX1 voltage! ALARM
– Output voltage over 29.2 V
F08 Charge circuit fail! ALARM
– Output voltage of PSU set too low, below 26 V
– Battery charging circuit failure
F09 Low AUX1 voltage! ALARM
– Output voltage below 26V
F10
Low battery voltage! ALARM
– Battery voltage has dropped below 23 V (during
battery-assisted operation)
F11
Low battery volt.
–
off!
ALARM
– Battery voltage has dropped below 20 V (during
battery-assisted operation)
see section 6.4
F12 External input EXT! ALARM
– Activation of input of collective failure EXTi
see section 5.2
F14
Temp. sensor
malfunction!
ALARM
– Temperature sensor damaged
– Temperature sensor disconnected
see section 6.7
F15
High battery
temperature!
ALARM
– The ambient temperature of the PSU is too hot
– Batteries overloaded
– Batteries damaged
see section 6.7
F16 No battery! ALARM
– Batteries disconnected
see section 6.1
F17 Battery fail! ALARM
– Batteries depleted, voltage below 20 V
see section 6.1
F18
High resistance of
battery circuit!
ALARM
– Worn out battery
– Battery connection cables loose
see section 6.6
F21 PSU cover opened! ALARM PSU cover opened see section 5.3
F22 AUX2 fuse! ALARM
– Blown FAUX2 fuse
F26 High AUX2 voltage! ALARM
– Output voltage over 29.2 V
F29 Low AUX2! ALARM
– Output voltage below 26 V
F51
F52 internal damage of
PSU
ALARM
– Service codes
F60
No communication ALARM
– No communication with LCD panel
F61
F64
Control panel fail ALARM
– Service codes
F65 Access unlocked
– Passwords unlocked
F69-F74 Default settings ALARM
– Service codes